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  2. M2 Browning - Wikipedia

    en.wikipedia.org/wiki/M2_Browning

    The M2 machine gun or Browning .50 caliber machine gun (informally, "Ma Deuce") [14] [15] is a heavy machine gun that was designed near the end of World War I by John Browning. While similar to Browning's M1919 Browning machine gun, which was chambered for the .30-06 cartridge, the M2 uses Browning's larger and more powerful .50 BMG (12.7 mm ...

  3. M45 Quadmount - Wikipedia

    en.wikipedia.org/wiki/M45_Quadmount

    The M45 Quadmount was a towed anti-aircraft gun consisting of four .50 caliber M2 Browning machine guns mounted in pairs on either side of an armored open-top gunner's compartment with electrical laying.

  4. List of anti-aircraft guns - Wikipedia

    en.wikipedia.org/wiki/List_of_anti-aircraft_guns

    3"/50 caliber gun United States: World War I / World War II / Korean War / Cold War / Vietnam War 76.2 3"/70 Mark 26 gun United States: Cold War 76.2 76-mm air-defense gun M1914/15 Russian Empire: World War I 76.2 76 mm air defense gun M1931 Soviet Union: World War II 76.2 76-mm air-defense gun M1938 Soviet Union: World War II 76.2 7.62 cm FlaK ...

  5. Barrett M82 - Wikipedia

    en.wikipedia.org/wiki/Barrett_M82

    Barrett Firearms Manufacturing was founded by Ronnie Barrett for the sole purpose of building semi-automatic rifles chambered for the powerful 12.7×99mm NATO (.50 BMG) ammunition, originally developed for and used in M2 Browning machine guns.

  6. Air gun - Wikipedia

    en.wikipedia.org/wiki/Air_gun

    A para-athlete competing with a match air rifle A collection of lever-action, spring-piston air rifles. An air gun or airgun is a gun that uses energy from compressed air or other gases that are mechanically pressurized and then released to propel and accelerate projectiles, similar to the principle of the primitive blowgun.

  7. 3-inch/50-caliber gun - Wikipedia

    en.wikipedia.org/wiki/3-inch/50-caliber_gun

    The 3"/50-caliber gun Marks 17 and 18 was first used as a submarine deck gun on R-class submarines launched in 1918–1919. At the time it was an improvement on the earlier 3"/23-caliber gun . [ 7 ] After using larger guns on many other submarines, the 3"/50-caliber gun Mark 21 was specified as the standard deck gun on the Porpoise - through ...

  8. List of anti-aircraft weapons - Wikipedia

    en.wikipedia.org/wiki/List_of_anti-aircraft_weapons

    50 cal. MG; M45 Quadmount; Oerlikon 20 mm cannon; 3"/23 caliber gun (World War I, interbellum, World War II) 3"/50 caliber gun (World War I, interbellum, World War II, Korean War, Cold War) 5"/25 caliber gun (interbellum, World War II) 5"/38 caliber gun (interbellum, World War II, Korean War, Cold War) 6"/47 Mark 16 and 17 gun (Cold War, Korean ...

  9. M1921 Browning machine gun - Wikipedia

    en.wikipedia.org/wiki/M1921_Browning_machine_gun

    The M1921 Browning machine gun was a water-cooled.50-caliber (12.7 mm) machine gun, designed by John Moses Browning, which entered production in 1929. From 1917 to 1918, he developed the prototype Browning Winchester Cal.50 caliber heavy machine gun. It was developed from a water-cooled .30 caliber M1917 Browning machine gun.