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  2. Heavy machine gun - Wikipedia

    en.wikipedia.org/wiki/Heavy_machine_gun

    The modern definition refers to "heavy caliber" machine guns, pioneered by the German Empire 's MG 18 TuF which was a Maxim derivative chambered in 13.2×92mmSR fielded near the end of World War I. They are designed to provide increased effective range, penetration and stopping power against vehicles, aircraft and light fortifications beyond ...

  3. General-purpose machine gun - Wikipedia

    en.wikipedia.org/wiki/General-purpose_machine_gun

    The MG-42 type general-purpose machine guns in both bipod and tripod configurations. The tall tripod on the right is for anti-aircraft use. A general-purpose machine gun (GPMG) is an air-cooled, usually belt-fed machine gun that can be adapted flexibly to various tactical roles for light and medium machine guns.

  4. Designated marksman rifle - Wikipedia

    en.wikipedia.org/wiki/Designated_marksman_rifle

    A designated marksman rifle ( DMR) is a modern scoped high- precision rifle used by infantry in the designated marksman (DM) role. It generally fills the engagement range gap between a service rifle and a dedicated sniper rifle, at around 300–600 metres (330–660 yd).

  5. Gun harmonisation - Wikipedia

    en.wikipedia.org/wiki/Gun_harmonisation

    Gun harmonisation. Fire from the eight machine guns of a Hawker Hurricane is shown converging to a point, then diverging. (Drawing not to scale.) In aerial gunnery, gun harmonisation, convergence pattern, convergence zone, convergence point or bore-sight point refers to the aiming of fixed guns or cannon carried in the wings of a fighter ...

  6. .50 BMG - Wikipedia

    en.wikipedia.org/wiki/.50_BMG

    The .50 BMG ( .50 Browning Machine Gun ), also known as 12.7×99mm NATO, and designated as the 50 Browning by the C.I.P., [1] is a .50 in (12.7 mm) caliber cartridge developed for the M2 Browning heavy machine gun in the late 1910s, entering official service in 1921.

  7. Rifle - Wikipedia

    en.wikipedia.org/wiki/Rifle

    From top to bottom: FAMAS, vz. 52 rifle, CAR-15, M40, SVD rifle, RK 62, and Type 56. A rifle is a long-barreled firearm designed for accurate shooting and higher stopping power, with a barrel that has a helical pattern of grooves ( rifling) cut into the bore wall.

  8. MG 34 - Wikipedia

    en.wikipedia.org/wiki/MG_34

    The MG 34 (shortened from German: Maschinengewehr 34, or "machine gun 34") is a German recoil-operated air-cooled general-purpose machine gun, first tested in 1929, introduced in 1934, and issued to units in 1936. It introduced an entirely new concept in automatic firepower – the Einheitsmaschinengewehr (Universal machine gun) – and is ...

  9. M240 machine gun - Wikipedia

    en.wikipedia.org/wiki/M240_machine_gun

    The M240 is adapted as a coaxial machine gun for tanks and 7.62 mm fire power on light armored vehicles. [14] The M240 is part of the secondary armament on the U.S. Army M1 series Abrams tank, M2/M3 series Bradley Fighting Vehicle, and the U.S. Marine Corps LAV-25. [15] The M240E1 is the U.S. Marine Corps version of the original M240 coaxial ...