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The Smith & Wesson M&P pistol is the standard sidearm of S.H.I.E.L.D. agents in the series. The same pistol also shows up on several occasions in the hands of other characters.
Smith & Wesson M&P9 - 9x19mm
Dr. Jemma Simmons has her sidearm out when apprehending a Darkhole-brainwashed Radcliffe in "Wake Up" (S4E11).
Simmons aims her sidearm at Fitz in "Self Control" (S4E15).
Smith & Wesson M&P Compact
Aside from the full-size variant, the Smith & Wesson M&P Compact is used by the field agents throughout the season as their preferred sidearm when the mission requires higher mobility.
Smith & Wesson M&P Compact - 9x19mm
Glock 17
A Glock 17 with a stainless steel slide is used by Coulson after he and the others rescue Yo-Yo from Watchdogs near the end of "Uprising" (S4E03). Some of the armed men helping Morrow are armed with this in "The Laws of Inferno Dynamics" (S4E08). Fitz uses it at the end of "Wake Up" (S4E11) to open fire at Radcliffe at the holding cell in the Playground. May uses it as her official sidearm before SHIELD changed sidearm. Most law enforcement agencies use factory black Glock 17 pistols as their sidearm.
An Orion Flare Gun is used by Coulson during a hostage rescue mission in "Uprising" (S4E03).
Orion flare gun - 25mm
Coulson making an entrance in "Uprising" (S4E03).
Ruger P-type pistol
A Ruger P pistol is used by Skye to shoot at a Triad 49er in "Deal with our Devils" (S4E07). Some of the armed men working for Morrow use them in "The Laws of Inferno Dynamics" (S4E08).
Skye shoots at a Triad 49er in "Deal with our Devils" (S4E07).
An armed man aims his sidearm at Coulson in "The Laws of Inferno Dynamics" (S4E08).
Yo-Yo hands the pistol to Coulson after disarming an armed man during a fight.
SIG-Sauer P226
SIG-Sauer P226 pistols are seen used by Triad 49er soldiers in "The Ghost" (S4E01).
SIG-Sauer P226 - 9x19mm
The 49er erratically draws his sidearm in "The Ghost" (S4E01).
SIG-Sauer P226R
A SIG-Sauer P226R is used by Watchdog terrorist Terrence Shockley (John Pyper-Ferguson) in the season.
SIG-Sauer P226R - 9x19mm
Terrence does a brass check on his sidearm in "Broken Promises" (S4E09).
Senator Ellen Nadeer (Parminder Nagra) with the pistol after shooting her own sibling.
SIG-Sauer P228
A SIG-Sauer P228 is used by an armed rioter in the middle of "Uprising" (S4E03). A mercenary leader confronts Director Jeffrey Mace near the end of "The Patriot" (S4E10).
Two-tone SIG-Sauer P228 - 9x19mm
The P228 aimed at Gabe's head during a standoff in "Uprising" (S4E03).
The merc leader confornts Mace in "The Patriot" (S4E10).
SIG-Sauer P229R
A SIG-Sauer P229R is taken from a Watchdog terrorist by Vijay Nadeer (Manish Dayal) near the end of "Borken Promises" (S4E09).
SIG-Sauer P229R - 9x19mm
Vijay opens fire at the ceiling in "Broken Promises" (S4E09).
Springfield Armory XD
A Springfield Armory XD with a stainless steel slide is used in "Hot Potato Soup" (S4E12) by Shockley. It is likely the same prop used by Vanchat in Season 1.
Springfield Armory XD Service with two-tone finish - .40 S&W
Shockley aims the pistol at Billy (Patton Oswalt)'s temple in "Hot Potato Soup" (S4E12).
Tokarev TT-33
A Tokarev TT-33 is used by a Russian Watchdog terrorist in "Hot Potato Soup" (S4E12).
Tokarev TT-30, first version of Tokarev pistol - 7.62x25mm Tokarev.
The Watchdog terrorist fires his TT-33 at Sam in "Hot Potato Soup" (S4E12).
Submachine Guns
Heckler & Koch MP5A3
Heckler & Koch MP5A3s with railed handguards are used in "The Patriot" (S4E10) by some mercenaries. Simmons uses once when the Playground goes on lockdown in "Self Control" (S4E15).
Heckler & Koch MP5A3 - 9x19mm
A mercenary takes aim at Director Mace in "The Patriot" (S4E10).
Simmons aims the MP5A3 at the human SHIELD agents in "Self Control" (S4E15).
In this far shot, you can see the MP5A3 configuration with railed handguard.
Heckler & Koch UMP45
A Heckler & Koch UMP is used in "The Ghost" (S4E01) by an Aryan Brotherhood thug.
Heckler & Koch UMP .45 ACP
The AB thug opens fire at a perceived threat in "The Ghost" (S4E01).
IMI Micro Uzi
An IMI Micro Uzi is used by a Triad officer in "The Ghost" (S4E01).
IMI Micro Uzi with 20-round magazine - 9x19mm
The Triad officer opens fire on hired couriers in "The Ghost" (S4E01).
Ingram MAC-10
An Ingram MAC-10 with a barrel extension is seen in a flashback sequence in "The Good Samaritan" (S4E06) by an armed assassin.
MAC-10 with barrel extension - 9x19mm
You can see the barrel extension in "The Good Samaritan" (S4E06) when the assassin prepares to take aim.
The assassin opens fire at Robbie in a flashback sequence.
Assault Rifles
AKM
The AKM is seen with Russian SVR forces in a flashback sequence in "The Man Behind the Shield" (S4E14).
Airsoft AKM replica
SVR forces accost Coulson in "The Man Behind the Shield" (S4E14).
AR-15 carbine
AR-15 carbines are used by the Watchdogs in an ambush in "Let Me Stand Next to Your Fire" (S3E04).
The screen-used custom AR-15 carbine carried by Stonebridge - 5.56x45mm
Masked Watchdogs ambush Daisy, Simmons and James in "Let Me Stand Next to Your Fire" (S3E04).
Colt M4A1
A Colt M4A1 is used by a Watchdogs terrorist during an attack in Miami in the middle of "Uprising" (S4E03), being used as one of their weapons alongside the G36C. SHIELD assaulters use them as one of their main weapons.
Colt M4A1 with carrying handle removed - 5.56x45mm
The Watchdogs terrorist with the M4A1 with no carry handle in "Uprising" (S4E03).
Colt M4A1 with 4 position collapsible stock, RIS foregrip, folding rear sight, and ACOG scope - 5.56x45mm
The discarded assault rifle on the ground at the end of "Lockup" (S4E05).
SHIELD assaulters with May and Mack at the end of "The Good Samaritan" (S4E06).
A Watchdog with a EOTech-equipped M4A1 in "Broken Promises" (S4E09).
Yo-Yo takes cover when a hijacked SHIELD gunship opens fire.
Heckler & Koch HK416
A Heckler & Koch HK416 is used by an armed mercenary going after Director Mace in "The Patriot" (S4E10) with Coulson using it in a siege.
Heckler & Koch HK416 with 10.4 inch barrel - 5.56x45mm NATO
The mercenary opens fire at Mace in "The Patriot" (S4E10).
Coulson opens fire during a siege.
FN SCAR-L
The FN SCAR-L appears to be used by a Watchdogs terrorist in "Let Me Stand Next to Your Fire" (S3E04), being used as one of their weapons.
FN SCAR-L STD - 5.56x45mm NATO
A Watchdogs terrorist is about to be ambushed by Coulson at the end of "Let Me Stand Next to Your Fire" (S3E04).
Heckler & Koch G36C
Heckler & Koch G36C rifles are used by some of the Watchdogs in "Let Me Stand Next to Your Fire" (S4E04).
Heckler & Koch G36C with vertical foregrip - 5.56x45mm
A Watchdogs terrorist searches for intruders near the end of "Let Me Stand Next to Your Fire" (S3E04).
IWI CTAR-21
An IWI CTAR-21 with a tan finish is used as a light gun by Billy Koenig during an arcade game session in "Hot Potato Soup" (S4E12).
Airsoft Ares Tavor TAR-21
Billy fires the light gun in "Hot Potato Soup" (S4E12). Note the orange barrel, which indicates that the light gun prop is an airgun legally sold in America.
A good shot of the replicat CTAR-21 with the ACOG scope on top of the receiver.
Noveske N4 Diplomat
A Noveske N4 Diplomat with a desert tan camo finish is used by a mercenary in "The Patriot" (S4E10).
Noveske Rifleworks N4 Diplomat with M68 Aimpoint red dot scope and Surefire M900 weaponlight foregrip - 5.56x45mm
The mercenary gets knocked out by the I.C.E.R. shot in "The Patriot" (S4E10).
SIG SG 552
A few SIG SG 552s are used by mercenaries in "The Patriot" (S4E10) with Mack using one as well.
SIG SG 552-2, version with permanent scope rail - 5.56x45mm
A mercenary walks to the rear of the truck in "The Patriot" (S4E10).
Mack literally runs while firing the SG 552 at the mercs.
Shotguns
Mossberg 500 Cruiser
A Mossberg 500 Cruiser with an axe blade attached is used by Mack as his main weapon of choice.
Mossberg 500 Cruiser - 12 gauge
Mack circles around the containment chamber near the end of "Meet the New Boss" (S4E02).
Mack opens fire at a Watchdogs terrorist during an ambush at the end of "Let Me Stand Next to Your Fire" (S4E04).
A good view of the entire shotgun in "Broken Promises" (S4E09). Note the furniture used.
Mack getting super pissed when he raises his shotgun in "Hot Potato Soup" (S4E12). You can see the axe blade attached underneath the barrel, folded inward.
Daisy uses Macks's shotgun in "Self Control" (S4E15) when she meets with Jemma.
Remington 870
A Remington 870 was used by the South Ridge Penitentiary warden in "Lockup" (S4E05).
Remington 870 Wingmaster with 20" Home Defense barrel - 12 gauge
The warden opens fire with the shotgun after seeing Coulson and May as monsters in "Lockup" (S4E05).
Sniper Rifles
Fostech Origin-12
The Fostech Origin-12 is used by Yuri Zaikin (Troy Caylak) as a special sniper rifle meant to fire explosive-type bullets in "The Patriot" (S4E10).
Fostech Origin-12 with 5 round magazine - 12 gauge
Yuri takes aim at Director Mace in "The Patriot" (S4E10).
Yuri retreats after SHIELD intervenes.
Grenades
M67 Frag Grenade
An M67 grenade is seen taken by Mack from a mercenary's stash in "The Patriot" (S4E10).
M67 hand grenade surplus
Mack taking the unprimed grenade in "The Patriot" (S4E10). Note that it appears to be small.
I.C.E.R. Small Arms
I.C.E.R. Pistol
The I.C.E.R. Pistol is used by all SHIELD forces when a non-lethal option is required at all costs.
Baby WE Hi-Capa 3.8 (Type 8)
Coulson with the I.C.E.R. pistol when May arrives with a SHIELD assault team near the end of "The Ghost" (S4E01).
Mack with the pistol used when he clears an empty corridor near the end of "Meet the New Boss" (S4E02).
Fitz nervously draws out his own sidearm.
Simmons grips her pistol while in hiding in "Let Me Stand Next to Your Fire" (S4E04).
Coulson takes out a merceneary non-lethally in "The Patriot" (S4E10).
Agent LT Koenig (Artemis Pebdani) accosts an intruder in "Hot Potato Soup" (S4E12).
Anton Ivanov (Zach McGowan) proceeds to dismantle the pistol in "The Man Behind the Shield" (S4E14).
I.C.E.R. Pistol Carbine
The I.C.E.R. Pistol Carbine is another weapon used all SHIELD forces when a non-lethal option is required at all costs.
A SHIELD assault team prepares for dynamic entry near the end of "The Ghost" (S4E01).
A SHIELD assaulter searches the deserted warehouse.
SHIELD assaulters escort Robbie in the middle of "Let Me Stand Next to Your Fire" (S4E03).
SHIELD assaulters secure the prison yard in "Lockup" (S4E05).
In this shot, you can see blue outlines on the pistol carbine, indicating that it's a non-lethal weapon in "The Good Samaritan" (S4E06).
Closeup of the CAA RONI body in "Boom" (S4E13), which is used as the basis for the I.C.E.R. Pistol Carbine.
The blue CGI muzzle flash of the pistol carbine fired by a SHIELD assaulter.
Other
RPG-7
An RPG-7 is used in "The Ghost" (S4E01) by an Aryan Brotherhood thug. Mack uses it to breach the perimeter of an abandoned Soviet Navy submarine base at the end of "The Man Behind the Shield" (S4E14).
RPG-7 - 40mm
An AB thug shoulders the RPG-7 in "The Ghost" (S4E01).
Mack takes aim with the RPG-7 loaded with a PG-7 warhead near the end of "The Man Behind the Shield" (S4E14).