M1941 Johnson Light Machine Gun (LMG) (.30-'06) Browning M2HB (.50 BMG) Vehicle and aircraft machine guns and autocannons.
If traveling by vehicle, the machine gunner fires mounted weapons (the 50 caliber or 40mm heavy machine gun).
The M240, officially the Machine Gun, 7.62 mm, M240, is the US military designation for the FN MAG (Mitrailleuse A Gaz, "gas-operated machine gun"; alternatively, Mitrailleuse d'Appui General "machine gun, support, general"), a family of belt-fed, gas-operated medium machine guns that chamber the 7.62×51mm NATO cartridge.
The M2 is a .50 caliber machine gun with an effective firing range of 22,310 feet. One US Marine that exemplified both of these characteristics was Corporal Tony Stein, who carried a modified aircraft machine gun into battle, took out over twenty Japanese troops, and saved a number of his fellow Marines who had been wounded in the fighting. US Marine .30 caliber machine gun crew at the ready in a forward position; Island of Guam, Mariana Islands, Central Pacific ocean; July, 1944. M4 cannon; M2 cannon; 50 caliber machine gun (Browning M2) M1919 Browning machine gun; Blades. The Corps also provides an Up-Gunned Weapons Station that fixes the M2s to vehicles. When on foot, the Marine Corps machine gunner is primarily responsible for the tactical employment of the 7.62mm M240 medium machine gun. For his extraordinary courage and valor, he was (posthumously) awarded the Medal of Honor. M1 bayonet; M1917 bayonet; M4 bayonet; Ka-bar; Bolo knife; Bowie knife; United States Marine Raider stiletto; V-42; Tanks.