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A disassembled Mauser action showing a partially disassembled receiver and bolt. In firearms terminology and law, the firearm frame or receiver is the part of a firearm which integrates other components by providing housing for internal action components such as the hammer, bolt or breechblock, firing pin and extractor, and has threaded interfaces for externally attaching ("receiving ...
A gun barrel is a crucial part of gun-type weapons such as small firearms, artillery pieces, and air guns. It is the straight shooting tube, usually made of rigid high-strength metal , through which a contained rapid expansion of high-pressure gas(es) is used to propel a projectile out of the front end ( muzzle ) at a high velocity.
Threaded barrels are often mounted to the receiver with a lot of torque, and will therefore generally require tools for assembly and disassembly, such as a suitable action wrench and a vise. Depending on the firearm, a recoil lug is sometimes fitted between the barrel and stock as part of the process,
Burning powder gases melt part of the bore each time a gun is fired. This melted metal is oxidized or blown out of the muzzle until the barrel is eroded to the extent shell dispersion becomes unacceptable. After firing several hundred shells, a gun may be reconditioned by boring out the interior and inserting a new liner as the interior cylinder.
Bolt: The part of a repeating, breech-loading firearm that blocks the rear opening of the barrel chamber while the propellant burns, and moves back and forward to facilitate loading/unloading of cartridges from the magazine. The extractor and firing pin are often integral parts of the bolt. Bore rope: A tool used to clean the barrel of a gun.
The slide on the majority of fully/semi-automatic pistols is the upper part that reciprocates ("slides") with recoil during the gun's operating cycle. It serves as the bolt carrier group (BCG) and partly as the receiver , and generally houses the firing pin / striker , the extractor and frequently also the barrel , and provides a mounting ...
At the end of the 20th century, the most widely adopted method of loading and unloading a revolver is the swing-out cylinder, invented by several people in early 1860s, not counting Daniel S. Moore's swinging barrel and cylinder assembly [12] in 1860, [13] amongst them were Charles W. Hopkins in 1862, [14] and Benjamin F. Joslyn in 1863, [15 ...
SIG Sauer system. The SIG Sauer system is a type of action found in self-loading handguns. It is a refinement of designs based on the work of both John M. Browning and Charles Petter which began with the Colt Model 1900, progressed to the French Model 1935A, and later the SIG P210 handgun.