USMC edit

Small arms edit

Model Image Caliber Type Origin Details
Pistols
M9   9 x 19mm NATO Pistol   Italy
  United States
Beretta 92FS
To be replaced by the M17 Modular Handgun System[1][2]
M9A1   9 x 19mm NATO Pistol   Italy
  United States
Standard Issue Combat Pistol.[3][4]
M45A1 CQBP   .45 ACP Pistol   United States Modified M1911A1, for use by MEU(SOC) and MARSOC. Still in use by Recon Battalions and Security and Emergency Services Battalions.
M17, M18   9 x 19mm NATO Pistol   Germany
  Switzerland
  United States
Sig Sauer P320
Won the Modular Handgun System competition[5]
Glock-19M (M007)   9 x 19mm NATO Pistol   Austria Glock 19 - Adopted in February 2015 for use by MARSOC.
Submachine guns
M653 SMG   9 x 19mm NATO Submachine gun   United States Used in night operations, close quarters, hostage rescue, and escort
MP5N   9 x 19mm NATO Submachine gun   Germany Used in night operations, close quarters, hostage rescue, and escort
Small Caliber Rifles/carbine
M27 IAR   5.56×45mm NATO Assault rifle
Squad Automatic Weapon
  Germany Standard Issue Battle Rifle. Initially issued as a replacement for the M249, in 2018 the decision was made to adopt the M27 as the standard USMC assault rifle in infantry battalions.
M4 carbine   5.56×45mm NATO Carbine   United States Fomer Standard Issue Carbine, Mostly being replaced by M27 in infantry battalions.
Mk 16 Mod 0
Mk 17 Mod 0
5.56×45mm NATO

7.62×51mm NATO

Assault rifle / Battle rifle   Belgium
  United States
Used by MARSOC.
M16A2
M16A4
 
 
5.56×45mm NATO Assault rifle   United States Mostly being replaced by M27 in infantry battalions. Used by Non-Infantry and Support Troops.
SIG Sauer MCX   5.56×45mm NATO, .300 AAC Blackout Assault rifle   Germany
  Switzerland
Used by Joint Special Operations Command
Shotguns
Mossberg 500   12-gauge Shotgun   United States Standard Issue Combat Shotgun
Remington 870   12-gauge Shotgun   United States
M1014   12-gauge Shotgun   Italy
Machine guns
M249   5.56×45mm NATO Light machine gun   United States Belt-fed, but can be used with STANAG magazines[6][7]
M240   7.62×51mm NATO General purpose machine gun   United States Belt-fed[8][9]
Browning M2   .50 BMG Heavy machine gun   United States Mounted on vehicles or tripods.[10]
DMRs and sniper rifles
Mk 14 EBR   7.62×51mm NATO Designated Marksman Rifle   United States To be replaced with the M110A1 CSASS
M110 SASS   7.62×51mm NATO Designated Marksman Rifle   United States KAC SR-25
M110K1 SASS   7.62×51mm NATO, 6.5mm Creedmoor Designated Marksman Rifle   United States
M110A1 CSASS   7.62×51mm NATO, 6.5mm Creedmoor Compact Squad Designated Marksman Rifle   Germany HK 417 Sniper, Replacing M110 SASS and M14 EBR
SIG Sauer 716 G2 7.62×51mm NATO Designated Marksman Rifle   United States
M24 SWS   7.62×51mm NATO Sniper Weapon System   United States Remington 700
M2010 ESR   .300 Winchester Magnum Enhanced Sniper Rifle   United States
Mk 13
Mod 5
  .300 Winchester Magnum Sniper Rifle   United Kingdom AI Arctic Warfare
Mk 20 SSR   7.62×51mm NATO, 6.5mm Creedmoor Sniper Support Rifle   Belgium
  United States
FN SCAR-H TPR
Mk 21 PSR   7.62×51mm NATO, .300 Winchester Magnum, .338 Lapua Magnum Precision Sniper Rifle   United States Remington MSR
Mk 22 ASR   7,62x51 NATO, .300 Norma Magnum, .338 Norma Magnum Advanced Sniper Rifle   United States Barret MRAD
M107   .50 BMG Anti-materiel rifle, sniper rifle   United States
Grenade-based weapons
Mk 19   40mm Automatic grenade launcher   United States Belt-fed.[11][12]
Mk 47 Striker   40mm Automatic grenade launcher   United States Fire-control system
M203   40mm Grenade launcher   United States Single-shot underbarrel grenade launcher[13][14]
M320   40mm Grenade launcher   Germany
  United States
Single-shot underbarrel or stand-alone grenade launcher
M67   Fragmentation grenade   United States
M18   Smoke grenade   United States
M84   Flashbang   United States
Portable anti-material weapons
AT4 84mm Anti-tank weapon   Sweden
M141   83.5mm Anti-fortification   United States Single-shot shoulder-launched weapon designed to defeat hardened structures. Based on the SMAW.
M72 LAW   66mm Anti-tank weapon   United States
M3 MAAWS[15]   84x246mm R Anti-tank recoilless rifle   Sweden
BGM-71 TOW   Guided anti-tank missile   United States
FGM-148 Javelin   Fire-and-forget anti-tank missile   United States
FIM-92 Stinger   Anti-aircraft missile   United States
M202 FLASH   66mm M235 Incendiary TPA Multishot incendiary rocket launcher   United States
  1. ^ M9 Pistol, U.S. Army Fact Files.
  2. ^ John Pike. "M9 9 mm Beretta Pistol". Globalsecurity.org. Retrieved 27 May 2011.
  3. ^ "U.S. Marines Add to M9A1 Inventory". Law & Order Magazine. Encyclopedia.com. November 1, 2006. Retrieved 20 February 2010.
  4. ^ Tendas, Pierangelo. "Beretta M9-A1". Armi & Tiro. securityarms.com. Retrieved 20 February 2010.
  5. ^ http://www.foxnews.com/tech/2017/01/20/army-picks-sig-sauers-p320-handgun-to-replace-m9-service-pistol.html Army picks Sig Sauer's P320 handgun to replace M9 service pistol, Fox News Tech
  6. ^ M249 Machine Gun, U.S. Army Fact Files.
  7. ^ John Pike. "M249 Squad Automatic Weapon". Globalsecurity.org. Retrieved 27 May 2011.
  8. ^ M240 Machine Gun, U.S. Army Fact Files.
  9. ^ John Pike. "M240 7.62mm Machine Gun". Globalsecurity.org. Retrieved 27 May 2011.
  10. ^ John Pike (24 February 2011). "M2 .50 Caliber Machine Gun". Globalsecurity.org. Retrieved 27 May 2011.
  11. ^ Mk193 Grenade Machine Gun, U.S. Army Fact Files.
  12. ^ John Pike (13 January 2011). "Mk 19 Grenade Machine Gun". Globalsecurity.org. Retrieved 27 May 2011.
  13. ^ M203 Grenade Launcher, U.S. Army Fact Files.
  14. ^ John Pike. "M203 40mm Grenade Launcher". Globalsecurity.org. Retrieved 27 May 2011.
  15. ^ Carl Gustaf Selected as Standard Equipment for US Army Light Infantry Units - Deagel.com, 20 February 2014