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Front cover – The M16A1 Rifle – Operation and Preventive Maintenance by Will Eisner, issued to American soldiers in the Vietnam War. An inadequately maintained firearm will often accumulate excessive fouling and dirt within the barrel and receiver, which not only can clog up the rifling and decrease the firearm's accuracy and precision, but can also interfere with the proper operation of ...
As with their air-actuated cousins, powder-actuated guns have a muzzle safety interlock. If the muzzle is not pressed against a surface with sufficient force, the firing pin is blocked and cannot reach the load to fire it. This helps ensure that the gun does not discharge in an unsafe manner, causing the nail to become an unrestrained projectile.
A cartridge, [1] [2] also known as a round, is a type of pre-assembled firearm ammunition packaging a projectile (bullet, shot, or slug), a propellant substance (smokeless powder, black powder substitute, or black powder) and an ignition device within a metallic, paper, or plastic case that is precisely made to fit within the barrel chamber of ...
A pinfire firearm cartridge is an obsolete type of brass cartridge in which the priming compound is ignited by striking a small pin which protrudes radially from just above the base of the cartridge. Invented by Casimir Lefaucheux in 1828, but not patented until 1835, it was one of the earliest practical designs of a metallic cartridge.
A power tool is a tool that is actuated by an additional power source and mechanism other than the solely manual labor used with hand tools. The most common types of power tools use electric motors. Internal combustion engines and compressed air are also commonly used. Tools directly driven by animal power are not generally considered power tools.
The .60 cartridge [15.2 x 114mm T17] was designed for use with the experimental .60-caliber T17 Machine Gun, a reverse-engineered version of the German MG151 cannon chambered for an experimental .60 anti-tank rifle round. The project was abandoned after the war. The .60 cartridge case was the basis for the 20mm Vulcan [20x102mm] autocannon shell.
Ball Powder, which was a trademarked name, had been introduced by Western Cartridge, a subsidiary of Olin Corporation, in 1933, but was not accepted by the U.S. Army until 1944. [ 3 ] Ball Powder is a fine-grained, spherical gunpowder coated in graphite that is easy to store and transport in any climate and ideal for modern infantry small arms ...
The oldest gun propellant was black powder, a low explosive made from a mixture of sulfur, charcoal, and potassium nitrate. It was invented in China during the 9th century as one of Four Great Inventions , and still remains in occasional use as a solid propellant for antique firearms .