Pistols
Rifles
Assault rifles
Sub-machine guns
Machine guns
Light Machine Guns
Lewis Gun 1913
M1918 Browning Automatic Rifle 1917
M1941 Johnson machine gun
Medium Machine Guns
M1919 Browning 1919
Heavy Machine Guns
M2 Browning 1921
M1917 Browning machine gun 1917
Sniper rifles
Shotguns (Commonly used by the Marines in the Pacific theater, limited use in Europe)
Anti-tank weapons
Flamethrowers
Grenades
Grenade launcher
Mortars
Knives
- Colt Model 1903 Pocket Hammerless
- Colt M1911
- Colt M1917 revolver
- Colt Official Police {Colt M1927 Aka "Colt Commando"}
- FP-45 Liberator (Dropped into occupied territories for use by insurgents)
- Smith & Wesson M&P
Rifles
Assault rifles
Sub-machine guns
- Thompson submachine gun 1918
- M1A1 Thompson
- M3 submachine gun
- M50 Reising
- United Defense M42 (15,000)
- M2 Hyde
Machine guns
- M1918 Browning Automatic Rifle
- Lewis Gun
- Browning M1917A1 Heavy Machine Gun
- Browning M1919 Medium Machine Gun
- Browning M2 Heavy Machine Gun
- M1941 Johnson machine gun
Light Machine Guns
Lewis Gun 1913
M1918 Browning Automatic Rifle 1917
M1941 Johnson machine gun
Medium Machine Guns
M1919 Browning 1919
Heavy Machine Guns
M2 Browning 1921
M1917 Browning machine gun 1917
Sniper rifles
- M1 Garand (scoped)
- M1903 Springfield (scoped)
- M1917 Enfield (scoped)
Shotguns (Commonly used by the Marines in the Pacific theater, limited use in Europe)
- Ithaca 37
- Winchester M1897
- Winchester M12 (Used also in the Western front)
- Browning Auto-5
- Winchester Model 21
- Remington 31
- M12 Shotgun
- M97 Shotgun
Anti-tank weapons
- Rocket Launcher, M1/A1 "Bazooka"
- M18 recoilless rifle - uncommon in Europe, some action in Pacific
Flamethrowers
Grenades
Grenade launcher
Mortars
Knives
- Ka-Bar
- M1 bayonet
- M1905 bayonet
- M1942 bayonet
- Mark I trench knife
- V-42 Stiletto
- United States Marine Raider Stiletto