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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).
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 ...
The Gunsmith's Manual; a Complete Handbook for the American Gunsmith, being a Practical Guide to all Branches of the Trade. New York: Excelsior Publishing House. - Republished in April 1945 by Thomas G. Samworth, Plantersville, South Carolina. Towsley, Bryce M. (2006). Gunsmithing Made Easy. Stoeger Publishing Company. ISBN 0-88317-294-1.
Magazine (firearms) A staggered-column 9×19mm Browning Hi-Power pistol box magazine. The top image shows the magazine loaded and ready for use, while the lower image shows it unloaded and disassembled. Loading of small arms ammunition into a magazine. A magazine, often simply called a mag, is an ammunition storage and feeding device for a ...
Repeating firearm. A repeating firearm or repeater is any firearm (either a handgun or long gun) that is capable of being fired repeatedly before having to be manually reloaded with new ammunition from the magazine. Unlike single-shot firearms, which can only hold and fire a single round of ammunition, a repeating firearm can store multiple ...
Coach gun. A coach gun is a modern term, coined by gun collectors, for a double-barreled shotgun, generally with barrels from 18 to 24 inches (460 to 610 mm) in length, placed side-by-side. These weapons were known as "cut-down shotguns" or "messenger's guns" from the use of such shotguns on stagecoaches by shotgun messengers in the American ...
The Close Quarter Battle Receiver (CQBR) [5] is a replacement upper receiver for the M4A1 carbine developed by the US Navy.. The CQBR features a 10.3 in (262 mm) length barrel (similar to the Colt Commando short-barreled M16 variants of the past) which makes the weapon significantly more compact, thus making it easier to use in, and around, vehicles and in tight, confined spaces.
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.
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