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A Remington 870 12 gauge with sighted cylinder bore barrel suitable for Foster slugs and buckshot. The "Foster slug", invented by Karl M. Foster in 1931, and patented in 1947 (U.S. patent 2,414,863), is a type of shotgun slug designed to be fired through a smoothbore shotgun barrel, even though it commonly labeled as a "rifled" slug. A rifled ...
The United States Navy included rifled slug cartridges among 21st-century loads. Slugs from these 2.75 in (7.0 cm) cartridges have a muzzle velocity between 1,590 ft (480 m) and 1,770 ft (540 m) per second. [6]
This measurement comes from the time when early cannons were designated in a similar manner—a "12 pounder" would be a cannon that fired a 12-pound (5.4 kg) cannonball; inversely, an individual "12-gauge" shot would in fact be a 1 ⁄ 12 pounder. Thus, a 10-gauge shotgun has a larger-diameter barrel than a 12-gauge shotgun, which has a larger ...
A US Marine practices shotgun door-breaching techniques. A breaching round or slug-shot is a shotgun shell specially made for door breaching.It is typically fired at a range of 6 inches (15 cm) or less, aimed at the hinges or the area between the doorknob and lock and doorjamb, and is designed to destroy the object it hits and then disperse into a relatively harmless powder.
Dragon's breath is normally chambered in 12-gauge 2 + 3 ⁄ 4-inch (18.5 mm × 69.9 mm) shot shells. The rounds are safe to fire out of an improved cylinder bore as well as a modified-choke barrel, common on many shotguns.
The FRAG-12 is a specialized 12-gauge shotgun shell which contains a small amount of high explosive to breach intermediate barriers, defeat light armored vehicles, and disrupt IEDs. [1] The shell was designed by the Special Cartridge Company in London, England.
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Home-defense and law enforcement shotguns are usually chambered for 12-gauge shells, providing maximum shot power and the use of a variety of projectiles such as buckshot, rubber, sandbag and slug shells, but 20-gauge (common in bird-hunting shotguns) or .410 (common in youth-size shotguns) are also available in defense-type shotgun models ...