Metal Gear Solid: Peace Walker

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Metal Gear Solid: Peace Walker
Release Date: 2010
Developer: Kojima Productions
Publisher: Konami
Series: Metal Gear
Platforms: Playstation Portable
Xbox 360
Playstation 3
Genre: Stealth

Metal Gear Solid: Peace Walker is a side-story in the main Metal Gear series released in 2010 for the PSP and re-released in 2011 as part of the Metal Gear HD Collection for the PS3 and Xbox 360, with enhanced graphics and a control scheme optimised for twin-joystick controllers.

The story takes place in 1974, four years after the events of Portable Ops, but does not really follow up on that game's story threads, instead being primarily a direct sequel to Metal Gear Solid 3. Disillusioned with the US, the legendary soldier Big Boss has abandoned his former country and taken a group of loyal troops to form a mercenary group called MSF (Militaires Sans Frontières, Soldiers Without Borders). When Big Boss receives a mysterious recording implying that his mentor The Boss is somehow still alive, he agrees to assist the Sandinista forces in Costa Rica, hoping to discover more about her fate.

The following weapons are used in the game Metal Gear Solid: Peace Walker:



Being a portable game, Peace Walker is built around a series of short missions rather than a single long campaign; these are designed for single or cooperative play, with many RPG-like elements added which are unique to this game. During the first chapter MSF acquires a converted oil platform dubbed "Mother Base" which is used as justification for the various in-game systems. The player can recruit additional troops by either accepting volunteers or using the rather comical "Fulton Recovery" mechanic to kidnap enemy soldiers by launching them into the sky using magic balloons which somehow even work underground.

Weapons are not simply found in the game world; instead, the player can find or unlock blueprints which are then developed via the R&D department using points acquired by the Combat Team; all weapons have a minimum level for at least one of the various Mother Base teams, before which they cannot be developed. Certain high-level weapons may also require staff with specific skills be part of the R&D team. The weapon selection system is similar to that in MGS4, but more restricted; the "backpack" loadout is fixed during a mission, and only a limited number of firearms can be carried; two, unless the "Battle Dress" suit is used, in which case it is three. The remainder of the player's weaponry slots can only be occupied by thrown and placed items.

Weapons are sorted by a tree structure where similar weapons can be upgraded linearly (ranked from 1 to 5), producing better guns of fundamentally the same type. Distinctly different types are typically offshoots with their own rank. In addition, each individual weapon gains experience as it is used, which gives a further boost to its stats in three increments. An additional bonus is granted by the soldier using the weapon; each MSF recruit is randomly generated, with combat stats ranked from F to S which govern things like their accuracy, reload speed, and speed in setting up placed weapons like C4 and mines. These stats can be increased up to a point by improving Mother Base's morale, which is governed by the quality of the food made by the galley.

There are a large number of missions where the player faces off against an armoured vehicle supported by infantry; dispatching all the escorts and damaging the vehicle severely or stealthily taking down the escorts will reveal the commander, and killing or knocking out out the commander will allow the vehicle to be captured intact. It can then be used in a series of Pokemon-like "Outer Ops" battles where the player can earn additional rewards, including some not available in regular missions. These use a "random drop" mechanic like an RPG, with a common, uncommon and rare reward for each mission; often, the rare reward is a weapon blueprint.

Stealth runs are complicated halfway through the game where soldiers wearing helmets will start to appear; these will protect them from headshots from the sides and rear, and shooting off their helmet will cause them to be alerted unless a very quick follow-on shot is made. To this end, some lethal weapons now have armour-piercing abilities, allowing them to ignore headgear.

Suppressors have been simplified since the menu in general is extremely streamlined; instead of finding suppressors in the world and replacing them as need be, a weapon with a suppressor is automatically fitted with it at the start of the mission; it cannot be detached, and when it is fully degraded there is no way to get another. The rate of degradation can generally be slowed by upgrading the weapon. A handful of weapons bypass this system by having permanent suppressors that do not degrade.


Mk. 22 Mod 0 "Hush Puppy" (Smith & Wesson Model 39)

A Mk. 22 Mod 0 (Navy modified Smith & Wesson Model 39) modified into a tranquillizer gun is one of Big Boss' starting weapons in the first mission. A suppressor has been fitted and further upgrades in the game increases its durability before it wears out. As ever, it fires a "Hollywood" tranquilizer dart round which will instantly knock out an enemy with a shot to the head and safely put soldiers to sleep every time; in real life, administering anaesthetic is a skilled balancing act between fully conscious and dead, which is why such weapons are not popular there.

Owing to the odd ability to hold up soldiers and have them stay in place terrified forever, it is not quite as necessary for stealth / no kill runs as in the other games.

Mk22 Mod 0 (Navy modified Smith & Wesson 39) - 9x19mm. Note slide locking mechanism to reduce noise, tall iron sights, and threaded barrel.
Note the taller sights allowing them to be used together with a suppressor. You'll only be able to use the Mk. 22 without the suppressor once that wears out and has to be removed.

Colt M1911A1

A normal M1911A1 is found as well as the custom M1911A1 Big Boss uses in Metal Gear Solid 3: Snake Eater. A suppressor can be fitted from Rank 2 and 4 onwards for the normal and custom version respectively, further upgrades in the game increases its durability before it wears out.

M1911A1 - .45 ACP
This upgrade looks interesting. Note the new hammer, extended slide release and safety levers, grip, the addition of cocking serrations at the front of the slide, a different suppressor, longer trigger, new sights and differently shaped beavertail.
MGS4 image of the M1911 Custom for comparison. Some details are simplified on the Peace Walker version, but it is clearly supposed to be the same gun.

Makarov PM

A Makarov PM serves as the most inconspicuous handgun carrying a S rank, increasing camouflage rating compared to other firearms. Zadornov carries one during the comic cutscenes.

Makarov PM - 9x18mm Makarov

Makarov PB

The Makrov PB is a modified Makarov PM that contains an integral suppressor that never wears out during gameplay.

Makarov PB - 9x19mm Makarov

Mauser C96

A Mauser C96 can be unlocked by getting an S rank on Extra Ops mission 20. Further upgrades turn it into an M712.

Pre-War dated Mauser C96 "Broomhandle" Commercial Version - 7.63x25mm Mauser

Mauser M712 Schnellfeuer

Upgrading the C96 turns it into a Mauser M712 Schnellfeuer, though retains the name of "C96." It can be upgraded to a 20-round magazine, although this incorrectly increases the length of the magazine well as well as the magazine.

Mauser M712 Schnellfeuer - 7.63x25mm Mauser
Astra Model 902 - 7.63x25mm Mauser. The upgraded 20-round version is shown with this type of extended fixed magazine instead of the correct detachable magazine
Note fire-selector and flush magazine well. This is the Rank 4 version.

Smith & Wesson Model 19

The Smith & Wesson Model 19 gains a longer barrel at Rank 3 reducing recoil and Rank 4 introduces a laser sight.

Smith & Wesson Model 19 - .357 Magnum
The Rank 4 Model 19 gains a laser sight; this does not actually emit a laser, instead placing a red dot in the middle of the aiming reticle and increasing the weapon's accuracy significantly. The model appears to be an M145 Machine Gun Optic rather than any kind of laser.

Kampfpistole Z

The Kampfpistole Z is in the game. It is more or less a joke weapon, with the worst accuracy score in the entire game. Further upgrades, however, introduce a stock to mitigate recoil. This turns the Kampfpistole Z into a Sturmpistole.

Leuchtpistole - 26.65mm. The version in the game has the "Z" marking of a Leuchtpistole Z / Kampfpistole Z


The upgraded Kampfpistol Z becomes a Sturmpistole, and gains enough accuracy to actually be useful. It is basically a light antitank weapon in this configuration, since the grenades are apparently HEAT rounds.


FP-45 Liberator

The "EZ Gun" is a modified FP-45 Liberator which fires special rounds that either recover life or psyche; these are basically useless outside of co-op play, and rather gimmicky even there since these guns take up a weapon slot. The EZ Gun is shown as bolt-action with an invisible magazine which contains every round the character has; this is something of an improvement over the real weapon, which was rather infamous for taking longer to reload than it did to manufacture. It is also equipped with a built-in suppressor that never wears off. For no obvious reason, Paz has the blueprint to the psyche recovery version, and Big Boss must brave an intensely creepy mission to retrieve it.

Besides the life or psyche variants, there are also two Support Beacon Gun variants which use the same model; these are similar in function to the beacon and grenade support markers, their ability to be fired anywhere being balanced by a lower number of support calls available before they are exhausted.

FP-45 Liberator - .45 ACP
Non-firing model of the "EZ Gun" by Kagerou Works

Submachine Guns

Ingram MAC-10

The MAC-10 is available in two forms without an extended barrel with can be equipped with a suppressor and one with an extended barrel including shroud for increased accuracy.

Ingram MAC-10 - .45 ACP

M1928/A1 Thompson

The Thompson makes an appearance in it's M1928A1 variant, though it can be upgraded to the original M1928 variant with a vertical foregrip for increased stability and a 50 round drum magazine. The "Tommy Gun's" inclusion is a reference to The Pain's own M1928 in Metal Gear Solid 3: Snake Eater.

Thompson M1928 - .45 ACP
Rank 3 M1928A1 Thompson. The 50-round drum is a Rank 3 upgrade, while the foregrip was added at Rank 2.

Heckler & Koch MP5A2

An early MP5A2 variant with a "slimline" handguard and a straight box magazine is present in the game and can be attached with a suppressor.

Heckler & Koch MP5A2 with original "slimline" handguard and straight "waffle"-style magazine - 9x19mm

Heckler & Koch MP5SD2

The integrally suppressed version of the MP5A2 is also available. Unlike its detachable counterpart, this suppressor does not wear out.

Heckler & Koch MP5SD2 - 9x19mm Parabellum

Česká Zbrojovka SA Vz. 61 "Skorpion"

The ČZ SA Vz.61 "Škorpion" appears as "Uz61" in the game. Holds only 20 rounds, but can be used in conjunction with the shield. At higher levels it gains a limited-duration suppressor.

Skorpion SA Vz. 61 with 20 round magazine - .320 ACP


Ithaca 37

The Ithaca 37 makes an appearance with a sawed-off stock and barrel. Further upgrades fit the gun with an extended magazine tube, a suppressor, full-length barrel, and a full stock, meaning Mother Base develops radical new unsawing technology. It is also the under-barrel shotgun attachment for the Colt M16A1 and Model 653.

A special slug-firing accurised version with a scope and full barrel and stock can also be unlocked.

Ithaca 37 - 12 gauge

Heckler & Koch CAWS

The Heckler & Koch CAWS is the most powerful shotgun in the game, and the only one which is fully automatic. It is anachronistic, since the CAWS program took place during the 1980s.

Its blueprint randomly drops in some of the harder Outer Ops missions, and it has a very high level requirement to develop.

Heckler & Koch CAWS - 12 gauge

"Twin Barrel"

The "Twin Barrel" is a 12 Gauge Double Barreled Shotgun. It initially starts off as a regular length 12 Gauge Double Barreled Shotgun. Rank 2 saws the barrel and stock off. The other ranks reduce the reload time of the gun, weight and kickback.

Two different versions can be developed, one using buckshot and the other rubber slugs which knock enemies out instead of killing them; the latter is essential for no-kill runs of some levels.

Remington Spartan Sawed Off shotgun - 12 gauge
"Twin Barrel" from Rank 2 and on.

Franchi SPAS-12

The Franchi SPAS-12 is another usable shotgun in the game. Appears in semi-automatic mode. Another anachronistic weapon in the game, as it was not developed until 1979.

Franchi SPAS-12 - 12 gauge

Assault/Battle Rifles

Colt M16A1

The M16A1 is Big Boss' preferred weapon during cutscenes and can be fitted with a suppressor, grenade launcher, shotgun and/or laser sight. The default version with no accessories is Big Boss' starting weapon in the first mission, and one of the only weapons that does not require any research.

M16A1 - 5.56x45mm NATO
A squad of Big Bosses ready their M16A1s. This does not happen in the final game: even if multiple players select Big Boss, only one player character can be seen as him. In this shot the others would be seen as generic masked MSF soldiers.
As you can see, he's aiming with his blind eye

Colt Model 653

The Model 653 is a mid-game unlock; it has most of the same options as the M16, only lacking the ability to mount a laser, and has decreased damage but improved handling. It is the standard weapon of Peace Sentinel soldiers in most of the mid-level vehicle battles, though they will tend to use RPG-7s or LAWs at high levels.

Colt Model 653 - 5.56x45mm NATO


A highly modified AR-15 platform used by The Boss in Metal Gear Solid 3: Snake Eater, seemingly based on an M231 Firing Port Weapon. Carries an "infinity shaped" C-Mag granting infinite ammo. Acquiring it requires knocking out Kazuhira Miller during a get-together at a beach and patting him down to get the blueprints to develop it, though given what else happens in that mission, it is quite likely Miller was hoping that's what Big Boss would do. It also requires at least once R&D staff member to have the "Patriot" skill, which oddly tends to only spawn on soldiers whose highest skill is Intel.

Similar-looking Rocky Mountain Arms "M16-Style Pistol" - 5.56x45mm

Izhmash AK-47

The AK-47 is called an "RK-47" and can be fitted with a GP-25 grenade launcher. For some reason, the reloading animation uses the charging handle animation of AR-15 rifles, despite other AK rifles using a correct animation.

AK-47 - 7.62x39mm
Note that this is a screen capture from one of the demonstrations. In the full game, these Peace Sentinel troopers use the M653.
Note the straight AKM stock
With GP-25 grenade launcher


The Hungarian AMD-63 appears as "ADM63" in the game, although it is implied to actually be the Romanian version, the Pistolia Militarea Model 1963.

Fegyver és Gépgyár (FÉG) AMD-63 - 7.63x39mm


The Hungarian AMD-65 is called "ADM65." It is another reference to MGS3, where it was used by some members of the Ocelot Unit, particularly those encountered if the player skipped the boss battle with The End by killing him when he is first encountered.

Fegyver és Gépgyár (FÉG) AMD-65 - 7.62x39mm

Steyr AUG A1

The AUG A1 is called the "SUG." This weapon is anachronistic, because it was not developed until 1977 and the game takes place in '74. It is hard to unlock, requiring an S rank in a Perfect Stealth mission that takes place over the entire jungle map segment.

Steyr AUG - 5.56x45mm NATO

Heckler & Koch G11

The G11 is noted in game for its high accuracy and rate of fire, at a cost of low damage. The prototype variant depicted in game is the second prototype of the G11 developed around 1975, about a year after the game is set.

It is quite hard to unlock since its blueprint requires an S-rank in a Perfect Stealth mission which only unlocks after almost the entire game has been completed, and it has a very high level requirement to develop.

Heckler & Koch G11 Prototype 2 - 4.3mm

FN FAL Paratrooper

The Fabrique Nationale FAL Paratrooper can be upgraded to have a shorter barrel for easier handling and equipped with a laser sight at Rank 4.

FN FAL Paratrooper - 7.62x51mm NATO

Sniper/Anti-Tank Rifles

SVD Dragunov

The SVD Dragunov is one of the earlier sniper rifles, but a big improvement over the starting M1C, with far less scope sway and a larger 10-round magazine. Research grants it an extended 20-round magazine; such magazines actually did exist, but were not commonly issued as they made the SVD difficult to use while prone.

A second variant called the SVD (NV) can be made at Rank 5; this is equipped with an anachronistic 1980s NSPUM (1PN58) night vision scope. It does not appear to be the earlier NSPU (1PN34) since there is a circle (representing a switch) at the top of the scope mounting; on an NSPU it would be at the bottom. The main benefit of this is that unlike the standard night vision goggles, the SVD's scope does not drain the battery meter which powers electronic devices.

SVD Dragunov sniper rifle - 7.62x54mm R

Mosin Nagant

A Mosin Nagant sniper rifle converted into a tranquilizer dart gun is unlocked fairly early on in the game; the gun deals more stamina damage than the Mk 22, but is extremely loud. At Rank 3 it becomes the same gun as used by "The End" in Metal Gear Solid 3: Snake Eater. When fully upgraded to Rank 5, it becomes equipped with a limited-use suppressor, though this cannot be achieved until Mother Base's R&D, Medical and Intelligence divisions are at almost maximum level; even then the development time is dozens of missions.

Full-length, Mosin Nagant M91/30 Sniper Rifle with Russian PU 3.5x sniper scope and down turned bolt handle - 7.62x54mm R
Fully upgraded Mosin Nagant tranquilizer rifle. Fitted with the same pistol grip and skeleton stock found on "The End's" Mosin Nagant. Note the thick barrel; this is the suppressor added at Rank 5. Oddly, though this essentially replaces the barrel, the Rank 5 Mosin-Nagant does not count as integrally suppressed.

Walther WA 2000

One of the most demanding sniper rifles in the game in terms of level requirement is the WA 2000 The in-game description says that it's hard to handle but very accurate, though it is not particularly clear what it means by this. It is one of the weapons with the "armour piercing" ability, allowing it to instantly kill soldiers wearing helmets. Anachronistic, as it was not developed until 1982.

Walther WA 2000 - .300 Win Mag


The M21 sniper rifle is another with the "armour piercing" ability, and is a late-game weapon. When fully upgraded, it gains a suppressor.

M21 Sniper Rifle - 7.62x51mm NATO


The M1-C is the earliest sniper rifle to unlock, and one of the worst, with low power and extremely heavy scope sway.

M1-C Sniper Variant with M82 scope - .30-06
Data screen entry for the M1-C. Note the conical flash hider.

Remington 700

The Remington 700 is another mid-level sniper rifle, and a common sight in the hands of enemy snipers; it is more accurate and powerful than the SVD, at a cost of a slower bolt-action rate of fire and lower capacity. Upgrades grant it a heavyweight "bull barrel," which increases accuracy and decreases recoil still further.

Remington 700 BDL rifle with no iron sights and scope (current production) - .308 Winchester
M700 on the R&D department menu. The "BB" indicates this is one of the high-rank "bull barrel" versions.

Degtyarov PTRD-41

The PTRD-41 is a powerful single-shot rifle which can instantly kill any soldier and deal significant damage to vehicles; its real benefit, however, is its ability to deal damage to the canopies of enemy helicopters; if the canopy is destroyed it will instantly reveal the Commander. This is the only practical way to S-rank some of the harder helicopter battles since they will have more escorting troops than the player is able to Fulton.

The player character will carry the PTRD on their shoulder, and it takes some time to actually bring it into firing position or shoulder it to move. It is fitted with a scope, which is uncommon for the weapon; this is most likely a reference to legendary Soviet sniper Vasily Zaitsev, who is said to have used a scoped PTRS-41 for long-ranged kills.

It is a high-level weapon, and requires not only a blueprint found in the final Perfect Stealth mission, but also at least one member of R&D staff to have the "Anti-Tank Rifle Design" skill; soldiers with this skill are only found in a single mission.

PTRD-41 anti-tank rifle - 14.5x114mm

Degtyarov PTRS-41

The PTRS-41 rifle appears as "PTRS1941" and fires in semi-auto. Has a 5-round magazine capacity. It is essentially a direct replacement for the PTRD, having all the same capabilities with regard to damaging helicopter canopies, and the same drawback of taking time to level and pick up. Like the PTRD, it is fitted with a scope.

Unlocking it requires an R&D staff member with the Anti-Tank Rifle Design skill just like the PTRD, and a blueprint only awarded for S-ranking the second to last Perfect Stealth mission.

PTRS-41 anti-tank rifle - 14.5x114mm

Machine Guns


The PKM is available, and is a powerful, accurate and reliable weapon. Upgrades shorten the barrel, increase damage and fit it with larger belt box, with the maximum 250 rounds. Somehow, dangling 12 pounds of ammunition off the PKM has no adverse effect on its handling.

PKM with latest version of the flash hider - 7.62x54mm R
The highest-ranked PKM variant uses this enlarged belt box rather than the standard one; these have capacities of up to 250 rounds. There is a 250-round belt box for the PKM, but it is used for mounted versions and is not designed to attach to the underside of the gun; it is essentially the standard rectangular belt box enlarged to a square. This odd slope-fronted box appears to be a work of fiction.


The RPK is used by Soviet troops during the fourth act of the game. It can be unlocked for use by the player characters by finding a document in one of the hold-up missions; it starts out with a standard curved box magazine, while at higher ranks it gains a drum. It is a relatively mediocre machine gun considering how late it unlocks; it has a fast reload, but low capacity and lacks the armour-piercing capability of the high-end machine guns.

RPK light machine gun with 75-round drum magazine - 7.62x39mm


The M60 is a devastating weapon but also significantly reduces the player's mobility. It produces higher recoil than many other small arms and has a very low rate of fire. Can be upgraded to reduce its length which also reduces weight, and increase the ammunition capacity. A second version, the M60 (AP), can also be developed, which has the armour piercing ability.

M60 machine gun with bipod folded - 7.62x51mm NATO
Upgraded M60: this appears to be a coaxial version from a vehicle. Ridiculously, the lack of any kind of stock actually improves the weapon's handling.


The MG3 is first unlocked as a Rank 2 blueprint found in one of the Classified Document Retrieval missions; it has the highest rate of fire of any machine gun and respectable stats. Developing it any further requires a second blueprint awarded for one of the "Defend Key Supplies" missions, which is for the "MG3 (AP)" which gains the armour piercing ability; it can then be further researched up to a Rank 5 version which is even effective against light vehicles.

MG3 Machine Gun - 7.62x51mm NATO

Stoner 63

A Stoner 63 in light machine gun configuration appears in-game called "M63A1". Further upgrades fit the gun with shortened barrel, larger belt box and armor piercing rounds.

Stoner 63 - 5.56x45mm

GE M134 Minigun

This man-portable Minigun, which appears to be based on the "Sasha" configuration from Team Fortress 2, has excellent firepower and an amazing rate of fire, at a cost of a huge mobility penalty. The requirements for developing it are just as ridiculous as the concept itself, requiring an R&D level of 98, S-ranking a very difficult clown-car battle against a customised AVGP Cougar IFV with several dozen support troops inside, and recovering a specific enemy soldier after unlocking a mission which requires completing almost the entire game. And the almost half a million GMP required to pay for it will then require the player complete about fifty more missions to actually develop it.

General Electric M134 - 7.62x51mm



Special variants of the M16A1 and Model 653 equipped with M203 grenade launchers can be developed if the right blueprints are found; rather unrealistically, a completely different blueprint must be found for each variant; the same goes for the ammunition, with the normal HE grenades a different blueprint to the smoke launching version.

It is not really correct for the M203 to be mounted on the Model 653 in the game's timeframe, since in 1974 only the original variant for the M16 rifle actually existed. At the time, the only underbarrel launcher that might fit on the Model 653 would be the XM148 grenade launcher.

M16A1 with M203 - 40x46mm
A Model 653 with an M203. Note that on this suppressed version the M203 has no front securing point.


Can be mounted on the AK-47. Anachronistic, as it was not introduced until 1978. It is not actually clear if it is a GP-25 or a GP-30, since it totally lacks a sight. As with the M203, a totally different blueprint is required for the smoke-launching version.

GP-25 grenade launcher - 40mm
AK-47 with GP-25 grenade launcher


The RPG-2 is the second rocket launcher available; it is a step up from the LAW in terms of damage, but takes longer to reload. In an example of only equipped weapons weighing anything, Big Boss can carry one more RPG-2 round than he can carry LAWs, despite that he is pulling out an entire LAW launcher but only replacing the rockets in the RPG-2.

RPG-2 with PG-2 rocket - 40mm


The RPG-7 is actually one of the more advanced launchers, and is a massive step up from the RPG-2 in terms of capabilities, though it is later eclipsed by the Carl Gustav and Dragon. Late in the game it starts to be used extensively by enemies, and in the harder vehicle battles it is not uncommon for every single enemy soldier to have one.

RPG-7 with PGO-7 scope and PG-7VM rocket 40mm


The M72 LAW is the first rocket launcher available; it is given for free following the second mission, after Big Boss pulls one out in a cutscene to try to shoot down either a "Kidnapper" drone or the Chrysalis AI weapon. In cutscenes it is depicted in the same way as in Metal Gear Solid 4, with Big Boss aiming using only the LAW's front sight. With each upgrade, the LAW will get a firepower boost, along with a different color scheme, except for the final upgrade where it becomes longer, still retaining the black paint job.

M72 LAW - 66mm

FIM-43 Redeye

The FIM-43 Redeye is depicted in much the same way as the Stingers of previous Metal Gear games; being an early weapon, it has a substantial lock-on time and is relatively weak. As usual, it can unrealistically lock on to both air and ground targets; in Peace Walker it can even be fired with no lock-on at all, though this is something of a waste.

The Redeye model also appears to be the basis for the "EM Wave Gun" co-op weapon, a laser-like device; this weapon is completely useless in singleplayer, but if two co-op players cross the streams and then fire, it creates a large explosion at the point of intersection (as they should have known), accompanied by an anime-style cry of "ULTIMATE CO-OP WEAPON: ELECTROMAGNETIC WAVE GUN!"

FIM-43 Redeye - 70mm


The M202 FLASH is another late-game unlock; the Rank 3 version requires an S rank in the final Dead Man's Treasure mission, while the Rank 4 requires an S rank in a very hard vehicle battle against a custom Hind-D. It is a slightly strange weapon since it is not really particularly good for anything but killing large numbers of enemy soldiers, which is not something the player should really be trying to do; it is less effective than even the Rank 5 LAW against vehicles, and player characters can only carry a maximum of eight rockets for it. It is anachronistic, since the M202 did not enter production until 1978.

M202 FLASH - 66mm

Carl Gustav M2

The Carl Gustav M2 is one of the more powerful rocket launchers, and like the RPG-7 has an optic for more precise targeting than the earlier M72 and RPG-2. It has a longer reload time than the other single-shot rocket launchers since there is a spent casing that needs to be removed before a new shell can be loaded. The Carl Gustav is available in in 3 variants. The default variant fires HEAT rounds which are highly effective against vehicles. The second is a blue-painted version which is stated to fire a round "filled with sleep gas and Fulton Recovery Balloons" (Peace Walker is not the most sensible of games) which allows soldiers to be kidnapped from places the player character cannot physically reach. The third, "MP" (Multi-Purpose), denoted by a yellow launcher body, fires HE rounds rather than AT rounds, and sacrifices some damage for extra area-of-effect.

Carl Gustav M2 - 84mm

X-FIM-92 Stinger

The prototype version of the FIM-92A Stinger is a late-game unlock; the blueprint is available quite early on, but the R&D requirements are substantial. It is an overall upgrade to the FIM-43, with a faster lock-on and a more powerful round. The Stinger is rather anachronistic; while the project had begun in 1967 as the Redeye II and it had been dubbed Stinger in 1972, due to technical issues a Stinger was not actually shoulder-launched until 1975 and production began three years after that.

FIM-92A Stinger - 70mm

M47 Dragon

The most powerful launcher in the game which does not require at least one co-op partner is the M47 Dragon (the fully charged Railgun and Human Slingshot are stronger, but respectively require two and four players). It is incorrectly shown with lock-on fire-and-forget missiles as opposed to the SACLOS guidance of the real system (the reverse of the MGS4 Javelin, oddly enough) and has no backblast. It is somewhat anachronistic, since it did not enter service until the year after the game takes place. The player character fires it from the shoulder with no other form of support, which is incorrect; the Dragon is supposed to be fired using the bipod only.

Like other powerful weapons, it combines a very high level requirement with a need to S-rank a vehicle boss battle (in this case, a fearsomely powerful AH-56 Raider Custom with more support troops than a single player has Fulton balloons and a canopy that takes about 25 PTRS rounds to break), and then takes about fifty missions to actually develop.

M47 Dragon - 140mm


"Aerial Mine"

A fictional weapon using "Fulton Technology" (ie magic), this mine floats to a specific height and then hovers there; helicopters and the Chrysalis AI Weapon will take serious damage if they strike it. The idea, though, is based on the "Low Zone" (LZ) barrage balloons used to protect Britain from German bombers during the Second World War, which actually did operate according to something similar to the non-magic Fulton system. A balloon was raised with a trailing cable designed to separate from both it and the ground if an aircraft collided with it; to this were fixed two drag parachutes. Early plans to mount explosive charges on the parachute lines were ultimately scrapped when it was discovered the parachutes exerted some six times more drag than the bomber's engines generated thrust, and so they were not needed. Some 30 German bombers were downed by LZ balloon cables during the war.

Airsoft gas charger grenade

A grenade with a thin, smooth cylindrical body is used as the model for smoke grenades, flashbangs and chaff grenades, almost the same model used in Metal Gear Solid 4. This appears to be based on a grenade-shaped gas bottle for Airsoft guns, such as the one shown below.

Chaff grenades are as ever an impossible broad-spectrum jamming device which magically distribute small strips of metal which prevent soldiers calling for support, disable security cameras, and can stun unmanned vehicles and AI weapons; Peace Walker will actually fall over if one is used while fighting it. They will also disable the lock-on feature of weapons like the Stinger and M47 Dragon.

In Peace Walker soldiers hit with a smoke grenade will become disoriented and stand perfectly still waving their hands in front of their faces until the smoke clears; this can be used to hold up a large number of soldiers in one go if used correctly, and this appears to be intended since many of the harder vehicle battles could not possibly be S-ranked without doing so.

The same model is also used for the sleep gas grenade, a powerful weapon which can be used to knock out a group of soldiers in a radius determined by its level. As in Metal Gear Solid 4, this shows that any gas masks the soldiers are equipped with are apparently fake, since they offer no protection from these grenades at all.

EAIMING "M116A1 Distraction Device Grenade," an airsoft gun gas charger built to resemble a hand grenade. "M116A1" is actually the US army's code for a simulation hand grenade with a paper body, used in training.

M112 C4 Demolition Charge

The M112 Demolition Charge is a remote detonated explosive with devastating power. Like in many video games, it can be detonated by shooting it, however real-life C4 will not explode when shot at or set on fire; strangely, the item's own description states this fact.

C4 is the standard item used for demolitions in the game, including in the early "Barricade" mission where Big Boss must use C4 to destroy a concrete wall blocking his passage; it is also used in sabotage missions. Outside of this it can be used to set traps for enemies or attack the treads of vehicles; these cannot be destroyed, but a vehicle takes extra damage from hits to its tracks or wheels.

M112 demolition charge

M18A1 "Claymore"

The M18A1 Claymore Mine appears as a weapon that can be used for ambushing enemies. It is also a major factor in some extra ops, including two dedicated to disarming claymores and two rescue missions where the prisoner is positioned near claymore mines.

M18A1 Claymore Mine

M15 Anti-tank Mine

The M15 anti-tank mine can be used to temporarily disable vehicles and kill anyone close to the explosion.

M15 Anti-Tank mine

M67 Hand Grenade

The standard frag grenades seen in game are M67 hand grenades. Apparently, even Soviet soldiers use the weapon instead of the Soviet standard-issue grenade RGD-5.

M67 Hand Grenade

XM7 Spider

The "Fulton Sleep Gas Mine" is closely based on the XM7 Spider, a "landmine" which began development in the early 2000s which is actually a remote-operated 6-round grenade launcher. The one in the game is proximity triggered or set off by shooting it, and is filled with sleep gas and Fulton balloons (yes, really); it will automatically extract any soldiers caught in the blast. The gas cloud is spherical and passes through walls, allowing for the capture of high-level enemy soldiers placed in positions out of normal reach.

XM7 Spider Munition Control Unit

Mounted weaponry

Afanasev A-12.7

Both Hind-A variants mount an Afanasev A-12.7 machine gun on their nose.

Afanasev A-12.7 - 12.7x108mm

Browning M2

The LAV Type G appears to be a Canadian AVGP Grizzly APC, a MOWAG Piranha variant fitted with the same Cadillac Gage turret as the AAVP7A1 but mounting a Browning M2 and a Canadian C6 FN MAG rather than an M2 and a Mk 19 grenade launcher. For reasons best known to itself, the game counts this as a "25mm MG."

Browning M2HB - .50 BMG


DShK heavy machine guns can be found in fixed locations during various missions. They can be used by player characters; they have infinite ammunition and no heat gauge, only being limited by being a little difficult to use due to bouncing around a lot when fired. Enemies can also use them if they are alerted near to them.

DShKM on tripod - 12.7x108mm
"Cover me, me."


The C6 derivative of the FN MAG is mounted on the AVGP Grizzly APC in a Cadillac Gage turret alongside a Browning M2, and on the AVGP Cougar IFV ("LAV Type C") alongside an L23A1 76mm cannon in a turret developed for the British Scorpion reconnaissance vehicle.

The AI weapons Pupa and Coccoon are equipped with numerous remote weapon stations which appear to mount a stockless FN MAG derivative similar to the M240C.

FN MAG 58 - 7.62x51mm NATO
M240C vehicle coaxial-mount version - 7.62x51mm NATO

Hedgehog Anti-Submarine Projector

The Cocoon AI weapon mounts not only a ridiculous collection of guns, but also what is apparently a scaled-down Hedgehog anti-submarine rocket system, repurposed as a land-based mortar. Precisely why Huey did this rather than just using a more normal system is not particularly clear, but then again, this is the same battle where the player character can throw the hull of a tank which would weigh about a thousand tons into the air, so making sense was probably not a high priority.

Hedgehog Anti-Submarine Projector - 7 inch

KPVT Machine Gun

The BTR-60PB is armed with a KPVT heavy machine gun instead of the PKB of the PA version; this is incorrectly listed as a 25mm cannon.

KPVT heavy machine gun - 14.5x114mm

M139 Autocannon

The Kampfpanzer 70, the German variant of the MBT-70 prototype tank which has apparently been adopted by Peace Sentinel, is armed with a retractable 20mm cannon as its secondary weapon. Oddly, the MBT-70 itself is not, even though both variants were supposed to have this as their anti-aircraft armament; it is instead a fictional configuration equipped with eight missile launch tubes mounted on the rear of its turret.

M139 Autocannon - 20mm

M242 Chaingun

The AI weapon Chrysalis mounts two weapons under its chin referred to as "chain guns;" these appear to be M242 Bushmaster chainguns, which would have been state-of-the-art in 1974, having been introduced just two years earlier.

M242 Bushmaster Chain Gun - 25x137mm

M269 Launcher Loader Module

The support section of Mother Base, which can be seen in low-detail on the Mother Base menu and in gameplay during a couple of boss fights and a special mission, has several M269 Launcher Loader Modules mounted on its platforms. These are more than a little anachronistic since the M270 MLRS system was designed in 1977 and did not enter service until 1983.

M269 Launcher Loader Module mounted on an M270 MLRS - 227mm

M61 Vulcan

The Cocoon AI weapon is equipped with what appear to be M61 Vulcan cannons in six installations on its hull and turret.

GE M61 Vulcan Cannon - 20mm

M73 machine gun

The MBT-70 variants use their coaxial M73 machine guns in lieu of having a 20mm autocannon like the Kampfpanzer 70 variants; while presumably the latter have them too, they do not use them. Unfortunately for the player, the appalling real-life performance of the M73 is not replicated when fighting the MBT-70.

M73 machine gun - 7.62x51mm NATO

NSV Heavy Machine Gun

The T-72U variants mount an NSV heavy machine gun on their commander's hatch. Oddly, the T-72A variant does not, instead having only an empty mounting. The A variant itself would anachronistic, since it was first produced in 1979; this is compounded by the Peace Sentinel version actually being an even later variant with explosive reactive armour.

NSV-T heavy machine gun mounted on a Ukrainian T-84 - 12.7x107mm
In a screencap from a pre-release demo, a Peace Sentinel T-72U advances, the NSV clearly visible on the commander's hatch.

PKB Machine Gun

The PKB, the spade-grip version of the PKM, is seen fitted to both variants of the BTR-60PA. The commander can apparently control the PKB with the power of his mind if he has not revealed himself, since the weapon is operational throughout the BTR-60 battles. If he is on it he is presumably driving the vehicle with his feet, since there is never anyone but the commander on board a ground vehicle once he is revealed. This is not even the most unlikely thing commanders can do; helicopter commanders can safely land their charge while unconscious or even dead.

PK Machine Gun, note the larger curved gas block and the thicker fluted barrel that was found on the original weapon - 7.62x54mm R

PKT Machine Gun

The T-72A variants in the game both make enthusiastic use of their coaxial PKT machine guns when not enjoying the benefits of main gun autoloaders that work as fast as semi-automatic pistols.

PKT machine gun with 250-round ammo drum - 7.62x54mm R

RGM-84 Harpoon

Mother Base's support section also has several Mk 141 quad RGM-84 Harpoon canister launchers. These are rather anachronistic, given the Harpoon did not enter service until 1977. During boss battles on Mother Base, the Harpoon battery displays the somewhat unlikely ability to engage targets a hundred yards away from it by having the missiles turn right around after being launched almost vertically.

RGM-84 Harpoon anti-ship missile in Mk 141 canister launchers - 340mm


Peace Walker is armed with what are supposedly S-Mine launchers in its legs; what these actually do is fire projectiles which look like entire S-Mines rather than bounding bodies, with the detonator prongs changed into propeller blades. These can somehow fly, and hover towards the player character before detonating and sending a shotgun-like spread of submunitions directly downwards; shooting them in mid-air will set them off prematurely, and can even damage Peace Walker itself if they are detonated close enough to it. Precisely why the game calls these devices S-Mines at all is not clear; the idea appears to be based on the bracket-mounted S-Mine launchers used on early-production Tiger tanks for close-range defence, but these were basically tiny mortars for firing the mine's bounding body, which did not have a pronged fuze fitted to it in this application.

S-Mine 35

XM140 Autocannon

The "raider" variant of the AH-56 Cheyenne compound helicopter mounts the XM52 Armament Subsystem, a belly-mounted turret containing the cancelled XM140 30mm autocannon. This gun was also suggested for the bizarre Convair Model 49 VTOL aircraft, another entrant in the US Army's Advanced Aerial Fire Support System program. Ultimately the requirement for a 30mm cannon in the replacement Advanced Attack Helicopter program led to the deployment of the M230 Chain Gun on the AH-64 Apache.

The AH-56 program still being around in Peace Walker is a little strange since it was cancelled in 1972 due to a combination of inter-service politics, handling problems, serious cost overruns and use of outdated technologies, with a production run of just ten prototypes, at least two of which had already been destroyed in testing; if Outer Ops are included, the game contains at least twice the number of AH-56s that were actually built.

XM140 Autocannon - 30mm
Diagram of the XM52 Armament Subsystem showing the XM140 Autocannon - 30mm

XM196 Minigun

The "bomber" variant of the AH-56 uses the nose-mounted XM53 Armament Subsystem, a mounting for a M134 minigun variant called the XM196 which was modified with an additional ejection sprocket. What appears to be a flattened version of the XM196 barrel texture is also used for the several dozen tiny gunports on Cocoon's sides.

General Electric M134 - 7.62x51mm NATO
Diagram of the XM53 Armament Subsystem with XM196 Minigun - 7.62x51mm NATO

Yakushev-Borzov Yak-B

The game's two Hind-D variants are equipped with a Yakushev-Borzov Yak-B gatling gun under their chin, along with a strange gunpod under each wing with one full-sized Yak-B and two tiny ones.

Yakushev-Borzov Yak-B machine gun - 12.7x108mm


Rail Gun

A man-portable magnetic accelerator designed to look like a primitive forerunner to the railgun seen in MGS2 and MGS4, this is normally an extremely unremarkable semi-automatic rifle; oddly, though it mounts a large computerised scope, it cannot actually be used. However, if a co-op partner is equipped with the "Rail Gun Dynamo" item they can charge up another player's railgun, in much the same way as the gun in MGS4 but with a lot more button-mashing. At full power it is second only to the Human Slingshot in terms of damage, exceeding every other weapon in the game and able to destroy some of the earlier armoured vehicles in a single hit. A level three shot is accompanied by an anime-style cry of "SUPER CO-OP WEAPON: RAILGUN!"

A variant of the railgun model is used for the "Stealth Gun," another co-op weapon. This device is totally useless on its own, but can be used to render a co-op partner invisible by keeping the beam it emits trained on them; unlike the Stealth Camo item, it will not incur a hefty penalty on the end-of-level ranking screen.

Both weapons have high level requirements, and require an R&D staff member with the rare "EM Weapons Design" skill.



The Tanegashima, a 16th-century Japanese muzzle-loading black powder matchlock arquebus, is an unlockable weapon ingame. Its low damage and single-shot nature coupled with a lengthy reload time makes it fairly useless in combat, but similar to its Metal Gear Solid 4 incarnation, each hit scored against an enemy soldier (as opposed to each round fired) has a 1 in 3 chance of summoning a tornado; as well as scattering items as it did before, any soldier caught in the tornado will be thrown into the sky and land in MSF's recovery helicopter, much to Kaz's bemusement.

Producing it requires at least one staff member with the "Japanese Patriot" skill; rather more puzzlingly, it also requires an item which is a rare drop from one of the Monster Hunter bosses, Rathalos.

Japanese "Tanegashima" matchlock arquebus. The ingame version has a shortened barrel.

See Also

Metal Gear series
Main Series Metal Gear Solid  •  Metal Gear Solid 2: Sons of Liberty  •  Metal Gear Solid 3: Snake Eater  •  Metal Gear Solid 4: Guns of the Patriots  •  Metal Gear Solid V (Ground Zeroes / Phantom Pain)
Side Games Metal Gear Solid: Peace Walker  •  Metal Gear Rising: Revengeance

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