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The armour-piercing gun evolution has also shown up in small arms, particularly the now abandoned U.S. Advanced Combat Rifle (ACR) program. The ACR "rifles" used smoothbore barrels to fire single or multiple flechettes (tiny darts), rather than bullets, per pull of the trigger, to provide long range, flat trajectory, and armor-piercing abilities.
A sawed-off break-action shotgun of the type commonly known as a lupara. A sawed-off shotgun (also called a scattergun, sawn-off shotgun, short-barrelled shotgun, shorty, or boom stick) is a type of shotgun with a shorter gun barrel—typically under 18 inches (46 cm)—and often a pistol grip instead of a longer shoulder stock.
Combination guns generally have a selector that allows the user to choose which barrel will fire. Three-barrel versions known as Drillings, are commonly found with two shotgun barrels and one rifle barrel, and generally have two triggers, one for each shotgun barrel, and a selector that will allow one trigger to fire the rifle barrel.
The 7×61mm Sharpe & Hart Magnum belted cartridge (A.K.A. 7mm S&H Super [1]) was developed by Philip B. Sharpe and Richard (Dick) Hart in the 1950s. Some articles claim it was based on the .300 H&H Magnum case, [ 1 ] [ 2 ] while others claim it was based on the 7x61 MAS M1907 case.
Israeli LAHAT, used with their 105 and 120 mm gun tubes; Russian 9K112 Kobra (AT-8 Songster), 9M119/M/120 (Refleks/Refleks-M/Svir) (AT-11 Sniper) and other types, fired from 115, and 125 mm guns, and 9M117 Bastion fired from 100 mm guns; Ukrainian Kombat [uk; ru] tandem-warhead ATGM with a 5,000 m effective range, fired from a 125 mm smoothbore ...
Remington Ultra Magnum; Remington Short Action Ultra Magnum; Weatherby Rebated Precision Magnum (aka Weatherby RPM) Winchester Short Magnum; Winchester Super Short Magnum; 6.5-284 Norma; 6.5×68mm; 6.8 Western.284 Winchester.30 Remington AR; 8×68mm S.350 Legend; 9.3×64mm Brenneke.375 SOCOM.375 SWISS P.400 Legend.416 Hushpuppy.425 Westley ...
Conventional eight groove rifling on the left, and octagonal polygonal rifling on the right. Polygonal rifling (/ p ə ˈ l ɪ ɡ ə n əl / pə-LIG-ə-nəl) is a type of gun barrel rifling where the traditional sharp-edged "lands and grooves" are replaced by less pronounced "hills and valleys", so the barrel bore has a polygonal (usually hexagonal or octagonal) cross-sectional profile.
A muzzle brake or recoil compensator is a device connected to, or a feature integral (ported barrel) to the construction of, the muzzle or barrel of a firearm or cannon that is intended to redirect a portion of propellant gases to counter recoil and unwanted muzzle rise. [1] Barrels with an integral muzzle brake are often said to be ported.