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Franchi Sporting Purpose Automatic Shotgun 12: Luigi Franchi S.p.A. 12 gauge Italy: 1979 Franchi SPAS-15: Luigi Franchi S.p.A. 12 gauge Italy: 1986 Fosbery Pump Shotgun [1] George Vincent Fosbery United Kingdom: 1891 GEN-12: Taran Tactical: 12 gauge 20 gauge United States: 2024 H&R Ultraslug Hunter: H&R Firearms: 12 gauge 20 gauge United States ...
Shotguns generally have longer barrels than modern rifles. Unlike rifles, however, the long shotgun barrel is not for ballistic purposes; shotgun shells use small powder charges in large diameter bores, and this leads to very low muzzle pressures (see internal ballistics) and very little velocity change with increasing barrel length. According ...
The odd, highly tapered 8 mm Lebel, made by necking down an older 11 mm black-powder cartridge, was introduced in 1886, and it was soon followed by the 7.92×57mm Mauser and 7×57mm Mauser military rounds, and the commercial .30-30 Winchester, all of which were new designs built to use smokeless powder. All of these have a distinct shoulder ...
Here are 8 gun manufacturers that pride themselves on being 100% domestically ... to a new facility in Black Creek, Georgia in 2009. ... barrels that are primarily chambered for .45 Colt and .410 ...
Smokeless powder is more efficient than black powder, and the cartridge cases could hold more powder. Smokeless powder loads, called "high speed" or "high velocity", were offered by the major ammunition makers, giving a typical velocity increase of 8% (1,200 feet per second (370 m/s) to 1,300 feet per second (400 m/s)) while still using the ...
Due to the velocity limitations of black powder and lead—usually around 460 metres per second (1,500 ft/s)—the only way to increase penetration was to make a larger gun. The largest-bore guns in common use (and bore rifles with the advent of breech loading and rifling in the late 19th century) included the-4 bore, using a 130-gram (2,000 gr ...
Owing to the interchangeability of the guns, the battleships fitted with the 14-inch/45-caliber guns often had guns of various Marks installed on each turret. [ 3 ] In the 1930s, the Mark 1, 2, 3, and 5 were upgraded to allow for increased charges and muzzle velocities, resulting in the Mark 8, 9, 10, and 12, respectively.
Last year though, the government approved a new 10-year crocodile management plan to help control the numbers, which increased the quota of crocs that can be killed annually from 300 to 1,200.
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