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Many disintegrating belt designs allow two pieces of belt to be connected by a cartridge, it applies even to non-disintegrating belts. When done by assistant gunner in combat, linking a new belt to the end of the belt already being fed in the weapon allows for continuous fire without the need to open the feed tray and reload. [citation needed]
Back bore, backbored barrel: A shotgun barrel whose internal diameter is greater than nominal for the gauge, but less than the SAAMI maximum. Done in an attempt to reduce felt recoil, improve patterning, or change the balance of the shotgun. Bandolier or bandoleer: A pocketed belt for holding ammunition and cartridges, usually slung across the ...
Since the barrel of the firearm is used, the caliber of the cartridges must match. The most commonly encountered supplemental chambers are for .30 caliber rifles designed for .308-inch (7.8 mm) diameter bullets, to use .32 caliber handgun cartridges with bullet diameters of approximately .312-inch (7.9 mm).
Attaching the barrel to the receiver using a barrel nut and a barrel with a shoulder is an alternative to action threads, which has been used in firearms such as the Sten gun and AR-15. Hand tools Quick barrel change systems is an increasingly popular alternative, as seen in for example SIG Sauer 200 STR, Roessler Titan or Blaser R8.
The Air Force Specialty Code (AFSC) is an alphanumeric code used by the United States Air Force to identify a specific job. Officer AFSCs consist of four characters and enlisted AFSCs consist of five characters. A letter prefix or suffix may be used with an AFSC when more specific identification of position requirements and individual ...
Although not originally designed for handguns, several rifle and shotgun cartridges have also been chambered in a number of large handguns, primarily in revolvers like the Phelps Heritage revolver, Century Arms revolver, Thompson/Centre Contender break-open pistol, Magnum Research BFR, and the Pfeifer Zeliska revolvers.
30×173mm United States: 1977 GAU-12 Equalizer: General Dynamics: 25×137mm United States: 1971 GAU-19: General Dynamics.50 BMG United States: 1983 Gryazev-Shipunov GSh-6-23: KBP Instrument Design Bureau: 23×115mm Soviet Union: 1975 Gryazev-Shipunov GSh-30-2: KBP Instrument Design Bureau: 30 mm caliber Soviet Union: 1981 GShG-7.62 machine gun
The sabot component in projectile design is the relatively thin, tough and deformable seal known as a driving band or obturation ring needed to trap propellant gases behind a projectile, and also keep the projectile centered in the barrel, when the outer shell of the projectile is only slightly smaller in diameter than the caliber of the barrel ...
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