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  2. 16-inch/50-caliber Mark 7 gun - Wikipedia

    en.wikipedia.org/wiki/16-inch/50-caliber_Mark_7_gun

    The lightweight 16-in/50 Mark 7 was designed to resolve this conflict. These guns were 50 calibers long, 50 times their 16-inch (406 mm) bore diameter with barrels 66.7 ft (20.3 m) long, from chamber to muzzle. Each gun weighed about 239,000 lb (108 t) without the breech, and 267,900 lb (121.5 t) with the breech. [ 1]

  3. Phalanx CIWS - Wikipedia

    en.wikipedia.org/wiki/Phalanx_CIWS

    The Phalanx CIWS ( SEE-wiz) is an automated gun-based close-in weapon system to defend military watercraft automatically against incoming threats such as aircraft, missiles, and small boats. It was designed and manufactured by the General Dynamics Corporation, Pomona Division, [ 3] later a part of Raytheon.

  4. Mk 12 Special Purpose Rifle - Wikipedia

    en.wikipedia.org/wiki/Mk_12_Special_Purpose_Rifle

    700 m (770 yd) Feed system. 20- or 30-round STANAG magazine [ 1] The United States Navy Mk 12 MOD 0/1/H Special Purpose Rifle ( SPR) is a designated marksman rifle that was in service with United States Special Operations Forces in the designated marksman role until 2017, also designed to be shorter than standard weapons. [ 2][ 3] SPR initially ...

  5. M242 Bushmaster - Wikipedia

    en.wikipedia.org/wiki/M242_Bushmaster

    M242 Bushmaster. The M242 Bushmaster chain gun is a 25 mm (25×137mm) single-barrel chain-driven autocannon. It is used extensively by the U.S. military, such as in the Bradley fighting vehicle, as well as by other NATO members and some other nations in ground combat vehicles and various watercraft. Hughes Helicopters in Culver City, California ...

  6. Close Quarters Battle Receiver - Wikipedia

    en.wikipedia.org/wiki/Close_Quarters_Battle_Receiver

    The Close Quarter Battle Receiver (CQBR) [3] is a replacement upper receiver for the M4A1 carbine developed by the US Navy.. The CQBR features a 10.3 in (262 mm) length barrel (similar to the Colt Commando short-barreled M16 variants of the past) which makes the weapon significantly more compact, thus making it easier to use in, and around, vehicles and in tight, confined spaces.

  7. 5-inch/54-caliber Mark 45 gun - Wikipedia

    en.wikipedia.org/wiki/5-inch/54-caliber_Mark_45_gun

    Effective firing range. 13 nmi (24.1 km) [ 4] or 20 nmi (37.0 km) (Mod 4) [ 5] The 5-inch (127 mm)/54-caliber (Mk 45) lightweight gun is a U.S. naval artillery gun mount consisting of a 5 in (127 mm) L54 Mark 19 gun on the Mark 45 mount. [ 1] It was designed and built by United Defense, a company later acquired by BAE Systems Land & Armaments ...

  8. 5-inch/38-caliber gun - Wikipedia

    en.wikipedia.org/wiki/5-inch/38-caliber_gun

    Design: 15 rpm. Muzzle velocity. 2,600 ft/s (790 m/s) initial. Sights. Optical telescope. The Mark 12 5"/38-caliber gun was a United States dual-purpose naval gun, but also installed in single-purpose mounts on a handful of ships. The 38- caliber barrel was a mid-length compromise between the previous United States standard 5"/51 low-angle gun ...

  9. M60 machine gun - Wikipedia

    en.wikipedia.org/wiki/M60_machine_gun

    The M60, officially the Machine Gun, Caliber 7.62 mm, M60, is a family of American general-purpose machine guns firing 7.62×51mm NATO cartridges from a disintegrating belt of M13 links. There are several types of ammunition approved for use in the M60, including ball , tracer , and armor-piercing rounds.