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Internal ballistics (also interior ballistics), a subfield of ballistics, is the study of the propulsion of a projectile. In guns, internal ballistics covers the time from the propellant 's ignition until the projectile exits the gun barrel. [1] The study of internal ballistics is important to designers and users of firearms of all types, from ...
Accurizing. Ruger 10/22 carbines, before accurizing (top) and after (below). Externally visible changes are the target-style stock, the more vertical thumbhole grip, the free-floated bull barrel, and a muzzle brake. Accurizing is the process of improving the accuracy and precision of a gun (firearm or airgun).
Rifling of a 105 mm Royal Ordnance L7 tank gun Conventional rifling of a 90 mm M75 cannon (production year 1891, Austria-Hungary) Rifling in a GAU-8 autocannon. Rifling is the term for helical grooves machined into the internal surface of a firearms's barrel for imparting a spin to a projectile to improve its aerodynamic stability and accuracy.
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.
Feed system. Two or four round tubular magazine, plus 1 in the chamber. The Browning Automatic 5, most often Auto-5 or simply A-5, is a recoil-operated semi-automatic shotgun designed by John Browning and manufactured by Fabrique Nationale de Herstal. It was the first successful semi-automatic shotgun design, and remained in production until 1998.
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The Winchester Model 1886 was a lever-action repeating rifle designed by John Browning to handle some of the more powerful cartridges of the period. Originally chambered in .45-70 Government, .45-90 Sharps, and .40-82 Winchester, it was later offered in a half dozen other large cartridges, including the .50-110 Winchester. [1]
Choke (firearms) A choke is a tapered constriction of a firearm barrel at its muzzle end. Chokes are most commonly seen on shotguns, but are also used on some rifles, pistols, or even airguns. [1] Notably, some .22 LR match rifles have a constricted bore diameter near the muzzle. [citation needed] Chokes are almost always used with modern ...