A weapon of the M1911 pistol series, that holds 7 rounds and is the secondary weapon of Hoss, Junior, and Cherry/Doc.
It can be fitted with a suppressor. Appears as the "M1911 Pistol" and "M1911 Silenced Pistol".
Makarov PM
Some enemy soldiers in the game will be using the Makarov PM and it holds 6 rounds.
Submachine Guns
M3 "Grease Gun"
The M3 / M3A1 "Grease Gun" holds 30 rounds and is Ragman's main weapon. Appears as the "M3A1 Grease Gun".
The Remington 870 appears as the "12-gauge Shotgun", Ragman's secondary weapon, has an extended magazine tube that holds 7 rounds.
Rifles & Carbines
M16A1
The M16A1 Rifle of the M16 rifle series which holds 20 rounds and has two fire modes, 3-shot burst(instead of full automatic mode) and semi-automatic, is Cherry/Doc's main weapon. It's also is used by most other U.S. soldiers in the game. Appears as the "M16A1 Assault Rifle".
Junior's main weapon, the XM21 SWS, is an M14 Rifle attached with a scope that fires semi-auto only, and holds 20 rounds. The weapon, incorrectly called the "M14 Sniper Rifle" in the game, is also incorrect for use as a sniper rifle as it was being developed and fielded in 1969 and the game is set in 1968.
Machine Guns
M60
The M60 machine gun is Hoss's main weapon and can be found mounted on the PBR MK II during Charlie's Point and the UH-1D during Air Mobile. It holds 100 rounds(handheld), 500 rounds(UH-1D) or 1000 rounds(PBR MK II).
The M72 LAW is a single-use anti-tank rocket launcher.
RPG-2
The RPG-2 is a single-shot 40mm rocket-propelled grenade launcher that can be found during Into The Fire.
Grenades & Explosives
M18A1 Claymore
In the game the M18A1 Claymore can be used as proximity mine or can be detonated with the trigger.
M26
The M26 hand grenade (called the "Mk26 Frag Grenade" in the game) is the fragmentation grenade used by U.S. soldiers.
Mounted Weapons
Browning M2 Heavy Barrel
The Browning M2 Heavy Barrel can be seen mounted on a tripod in the perimeter bunkers of the Firebase and LZ Mike, and vehicle-mounted on the M113 APC(not used in the game), the M48A3 Patton tank, and twin-mounted at the front and single-mounted at the rear of the PBR MK II. It holds 100 rounds(tripod), 800 rounds(M48A3), or 2000 rounds(PBR MK II)
M2A1 (M101A1)
The artillery piece being fired by two U.S. soldiers in the Firebase inner compound during Ghost Town is an M2A1(M101A1) 105mm Howitzer. This weapon is not playable by the player.
ZPU-4
There are two KPV heavy machine guns in ZPU-4 quad anti-aircraft mountings found in the mission Hill 933 in which it shot down a UH-1 medevac. It holds 500 rounds.
Other
T-34-85
The T-34-85 tank used by the enemy throughout the game is armed with an M1940 F-34 76.2mm tank gun. This vehicle and its armaments are not playable by the player.