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Metal Gear Solid: Portable Ops

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Metal Gear Solid: Portable Ops
Metal Gear Solid: Portable Ops (2006) and Portable Ops Plus (2007)
Release Date: MPO 2006, MPO+ 2007/2008
Developer: Kojima Productions
Publisher: Konami
Series: Metal Gear
Platforms: PSP
Genre: Action-adventure/Stealth

Metal Gear Solid: Portable Ops, is an action-adventure stealth video game developed by Kojima Productions and published by Konami in 2006 exclusively for the PlayStation Portable (PSP). Metal Gear Solid: Portable Ops Plus (officially abbreviated MPO+), the game's stand-alone expansion focused primarily on online play, was released for the PSP in 2007 in Japan and in 2008 in other regions.

MPO is the third Metal Gear title made specifically for the PSP (counting the two Acid turn-based games but not Metal Gear Solid: Digital Graphic Novel, since the latter was not a game) and the first one to retain the series' action-based play mechanics. It is set in the same continuity as the mainline Metal Gear series, though it is dubious as to what extent it is part of the main timeline as Hideo Kojima, who neither directed nor wrote it, was notably not fond of it and has stated some parts of it do not fit. Set in Colombia in 1970 on a fictional peninsula named San Hieronymo, six years after the events of Metal Gear Solid 3: Snake Eater, the game follows the exploits of Naked Snake after his former unit, FOX, goes renegade. The game also chronicles the eventual founding of FOXHOUND and The Patriots, as well as the inspiration of the military state Outer Heaven.

The following weapons appear in the video game Metal Gear Solid: Portable Ops:


Mk 22 Mod 0 "Hush Puppy"

A tranquilizer gun based on the Smith & Wesson Model 39 pistol using 9mm tranquilizer ammunition. It's fitted with a suppressor. This is the first weapon the player acquires in the game. The ideal gun for tranquilizing enemies for recruitment or neutralization. Can be procured at the Ravine after receiving a spy report in the European version. Para-Medic and Elisa also comes with this weapon when recruited in an optional mission and/or meeting special conditions and/or via passcode.

Mk 22 Mod 0 "Hush Puppy" with suppressor attached - 9x19mm
Aiming the Mk 22
Mk 22 Mod 0 "Hush Puppy" in the game's title screen
Mk 22 Mod 0 "Hush Puppy" hud icon

Colt M1911A1

The M1911A1 is .45 ACP semi-automatic pistol, it holds seven rounds. Female Soviet officers, certain male Soviet soldiers and officers, and to a lesser extent FOX soldiers use this weapon. Can be procured at the Communications base via a Spy Report. Roy Campbell also has the gun on him during the storyline, as Jonathan attempts to steal his gun so he could use it against Snake before being floored via the latter's CQC skills. Cunningham also uses the gun on Snake's men as part of his interrogation of Snake regarding the location of the Philosophers' Legacy. One of the FOX soldiers also used this weapon in a failed attempt at trying to prevent Snake's escape after Elisa defected to Snake's side. Snake later used the gun on Gene in an attempt to hold him up after Colonel Skowronski inadvertently provided Snake with a distraction, as well as to shoot out the lock of Skowronski's cage (which had been frozen shut by Python earlier) to allow him a chance at escape.

Colt M1911A1 - .45 ACP
Aiming the Colt M1911A1
Colt M1911A1 hud icon

Colt Single Action Army

The Colt Single Action Army appears once again as Ocelot's weapon of choice; the ricochet ability from previous games is maintained. He also uses it in the main story to take out the CIA director and his bodyguards nearing the ending, and presumably also left it behind to frame his death as a suicide.

Single Action Army w/ 5.5" barrel aka "Artillery" model with wooden grips.
Ocelot aiming his SAA at a Soviet soldier
Single Action Army hud icon

Heckler & Koch Mark 23 Phase II Prototype

The H&K Mark 23 appear as a Portable Ops Plus exclusive. A semi-automatic handgun fitted with a suppressor and laser sight. Can be obtained by recruiting Raiden or by completing the hidden mission during the Extreme difficulty.

Airsoft Heckler & Koch Mk 23 Phase II Prototype (note front cocking serrations, deleted from production models) with Tokyo Marui replica of a Knight's Armament suppressor and prototype Laser Aiming Module - (fake) .45 ACP
Roy Campbell aiming an Mk 23
The Mk 23 hud icon

Submachine Guns


The MAC-10 is a 45. ACP caliber SMG with a high-rate of fire. Used by Null in combination with his Machete in game. Equipped with a suppressor. Can be obtained at the Power Substation via a Spy Unit Report.

Ingram MAC-10 - .45 ACP

Null aiming his Ingram MAC-10

Ingram MAC-10 hud icon


The Uzi is a 9x19mm SMG with a high-rate of fire. It can be unlocked by recruiting Teliko from Metal Gear Ac!d under special conditions. Can also be procured at the Production Plant if a Spy Unit is sent there and sends a report.

IMI Uzi -9x19mm
IMI Uzi in FPS mode
IMI Uzi hud icon

Sa. Vz.61 Skorpion

A 32.ACP caliber SMG; it is equipped with a laser-aiming module for targeting. Can be procured at the Supply Depot via a Spy report. The Skorpion is also used by FOX soldiers. One of the FOX soldiers during Snake's escape from the guest house may have been using this weapon in their failed attempt at preventing his escape, since it was not visible yet had a repeat fire.

Sa. Vz.61 Skorpion - .32 ACP
Sa. Vz.61 Skorpion held by soldier in-game
Sa. Vz.61 Skorpion hud icon

FN P90

The FN P90 appear as Portable Ops Plus exclusive. A SMG using 5.7x28 mm rounds, Bullpup style gun. Holds 50 rounds per magazine. Can be obtained from Tengu soldiers.

Fabrique Nationale P90 - 5.7x28mm
P90 in FPS mode
P90s held by Genome Soldiers
P90 hud icon


Ithaca 37

An ambidextrous 12-gauge shotgun; holds four rounds.The Ithaca 37 can be procured at the Rail Bridge if a Spy Unit stationed there finds and reports it's location. In addition, the character Major Ivan Raidenovitch Raikov comes equipped with this shotgun when he is recruited.

Ithaca 37 with sawed-off stock and barrel - 12 gauge
Ithaca 37 hud icon

Remington 870

A 12-gauge shotgun; a step up from the Ithaca 37 by holding seven rounds. Can be procured at the Airport after receiving a spy report from a spy unit stationed there. Major Zero also comes equipped with the Remington 870 when recruited.

Remington 870 - 12 gauge
Para-Medic firing the M870 in-game
M870 hud icon

Assault Rifles


American made 5.56x45mm assault rifle, commonly used by the military. Holds 20 rounds per magazine. Can be procured at the Soviet Patrol Base via the Spy Unit. The character Python also carries the weapon during his boss fight, although not when he's a playable character. In Portable Ops Plus, Roy Campbell when unlocked comes equipped with this gun.

M16A1 with 20 round magazine - 5.56x45mm.
The M16 in FPS mode.
The M16 hud icon.

M16A1 with M203 grenade launcher

Although not actually used by the player, an M16A1 with an underbarrel M203 grenade launcher is used by Python during his boss fight. Unsurprisingly, it fires liquid nitrogen grenades, instantly freezing any weapons the player has on them.

M16A2 (5.56x45mm) with M203 40mm grenade launcher
Python with his M16A1 with an M203 attached

Colt XM177/CAR-15/Commando Series

A carbine version of the M16; the barrel and butt of the rifle both have been shortened, fitted with a silencer and has 30 round magazines. Appear as "XM177E2". The XM177 is one of the many weapons used by FOX soldiers and exclusive only to them.

XM177E2 Carbine aka Colt Model 629 - 5.56x45mm.
XM177E2 in-game.
XM177E2 Carbine hud icon.


Portable Ops Plus exclusive. American made modern carbine rifle using 5.56x45mm rounds. 30 rounds per magazine. Can be obtained from a Navy SEAL or High-Tech soldier. The game lists this weapon as an M4, but its fully automatic fire makes it an M4A1, not an M4, which is limited to semiautomatic and burst-fire only.

Colt M4A1 Carbine with 4 position collapsible stock - 5.56x45mm NATO
M4A1 in FPS mode
M4A1 hud icon


Portable Ops Plus exclusive. Uses 5.56x45mm. Fitted with a foregrip. Can be obtained after recruiting Old Snake.

M4A1 Carbine - 5.56x45mm NATO
Old Snake with his M4A1 SOPMOD in-game.
M4A1 hud icon.


The AK-47 is a Soviet-made 7.62x39mm assault rifle, standard issue for the Soviet soldiers, developed in 1947. Used by all Soviet male soldiers. Holds 30 rounds per magazine. One of the FOX soldiers used an AK-47 in a failed attempt to stop Snake's escape via a defecting Elisa. Several AK-47s were also used in the ending by Snake's men, when aiding Snake in taking out the ICBMG to repay him for his help in preventing the weapon's launch into the USSR.

AK-47 Milled Receiver - 7.62x39mm
AK-47 in FPS mode
AK-47 hud icon


The AKS-74U is a Portable Ops Plus exclusive. Uses 5.45x39mm rounds. In-game is described as derived from the AK-47, while in real life derived from the AK-74. Can be obtained from Gurlukovich soldiers.

AKS-74U (also referred to as the "AKSU" or 'Krinkov') - 5.45x39mm
AKS-74U held by a Gurlukovich soldier (center)
AKS-74U hud icon


The FAMAS is another Portable Ops Plus exclusive. Uses 5.56x45mm rounds. Bullpup style weapon. Used by Genome soldier during Shadow Moses. Can be obtained from Genome Soldiers.

File:FAMAS F2.jpg
FAMAS-G1 - 5.56x45mm
Genome Soldier with a FAMAS
FAMAShud icon

Sniper Rifles

Mosin Nagant M91/30

The Mosin Nagant is a Soviet bolt-action rifle deployed in large numbers in the Second World War, however is modified to fires modified 7.62x54mmR tranquillizer darts in-game holding 5 rounds per magazine. Players of Metal Gear Solid 3: Snake Eater may recognize this weapon used by The End. The player must use this weapon at an appropriate range and be more careful with their aim as this weapon is not silenced like the MK22 and has a lower firing rate between shots. The scope has thick crosshairs making it suitable for use at night. Can be procured at the Nuclear Warhead Storage Facility via a Spy Unit Report.

Mosin Nagant M91/30 - 7.62x54mm R w/ scope
Mosin Nagant M91/30 in-game
Mosin Nagant M91/30 hud icon

SVD Dragunov

A semi-automatic Soviet sniper rifle holding 10 7.62x54mmR rounds per magazine. It can be procured in the Western Wilderness via a Spy Unit Report. EVA also comes equipped with the SVD when recruited either via a special mission or via passcode.

SVD Dragunov - 7.62x54mmR
SVD in-game.
SVD hud icon.

Machine Guns

Stoner 63

A light machine gun variant of the M63 weapons system; fires 5.56x45mm ammo. Has 100 rounds per box magazine. Cannot be viewed from its iron sights. Although lacks accuracy this weapon is effective against machines and large numbers of enemies. It can be procured at the Harbor if a Spy Unit stationed at the area finds and reports it.

Stoner 63 - 5.56x45mm
Stoner 63 firing in FPS mode
Stoner 63 hud icon



Soviet-made rocket propelled grenade launcher using 85mm HEAT ammunition ideal for anti-tank and anti-air use. Mobility is lost when deployed. Triggers alert mode upon impact. The player can view down the attached scope instead of locking-on or view from first-person as a shoulder-fire weapon. Snake used the RPG-7 to take out the ICBMG before it could launch. Although the first salvo failed, the second one was ultimately successful in destroying the ICBMG upon launch.

RPG-7 - 40mm
RPG-7 in FPS mode
RPG-7 hud icon

RGD-5 Grenade

The most common hand grenades in the game are Russian RGD-5 hand grenades. They are used by both FOX and Soviet soldiers, and can also be obtained by Big Boss and other recruitable characters in various areas in the game. Using a grenade will trigger an alert. The ending where the Soviet soldiers and Big Boss take out the ICBMG has one of them throwing a grenade at the weapon (implied by the soldier making an overhand throw motion).

RGD-5 High-Explosive Fragmentation hand grenade.
RGD-5 menu icon.

Fictional Soviet grenades

Like in Snake Eater, a fictional grenade design with a slender cylindrical body and an RGD-5 style UZRGM fuze assembly is used for four types of in-game grenade: Chaff, Stun, Smoke, and Liquid Nitrogen.

Chaff grenades are a fictional miniature broad-spectrum electronic warfare device which combine the effects of a radar jammer and EMP-like effects on certain technology. Chaff consists of small aluminum strips that are specifically designed to confuse radar frequencies, and normally used by aircraft to fool radar-guided missiles. The individual strips are cut in such a way that they wreak havoc with a radar's transmitted frequencies. The Chaff Grenade's main effects are to prevent in-game enemies from being able to call for help via radio, disable any security cameras in the vicinity, and to fool the guidance systems of guided missiles fired at Big Boss. This weapon is available in multiplayer.

Stun grenade menu icon

The stun grenade is a "flashbang" type that uses magnesium-based powder to produce a massive flash and sound burst: in real life this causes extreme disorientation and temporary blindness, while the game increases this to outright knocking enemies unconscious. Like in Snake Eater, these are anachronistic: the first flashbang grenades were developed by Royal Ordnance Enfield in Britain for use by the SAS' counter-terrorist unit, and the first known use of the result, the G60 stun grenade, was in 1977 when the SAS assisted the German GSG-9 special forces unit in retaking a hijacked airliner at Mogadishu airport. They are available in multiplayer.

Smoke grenade menu icon

Smoke grenades can be used to deter enemy pursuit and also to drive off attack dogs in later difficulties. They are available in multiplayer.

Liquid Nitrogen grenade menu icon.

The LN G (short for "Liquid Nitrogen Grenade") is a grenade that releases liquid nitrogen to provide quick visual cover and quick distraction of enemies and freezes all the player's deployed equipment and weapons when in proximity of the explosion. The weapon is exclusive to Python, and the only one of his arsenal to actually be included in his inventory after recruiting him.


The player can procure Claymores like in prior games to use as traps against the enemy. The overall design is similar to that in Snake Eater. Unlike in prior games or later games, however, the player cannot actually retrieve disabled claymores for future use. At least one spy mission involved Snake and his men having to clear out Claymores that were littered around the hospital area (presumably by Gene's forces), and doing so without triggering an alert from the sole nurse stationed in the area.

M18A1 Claymore anti-personnel mine
Claymore hud icon

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