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Charging handle being pulled on an M2 machine gun. The cocking handle, also known as charging handle or bolt handle, is a device on a firearm which, when manipulated, results in the bolt being pulled to the rear, putting the hammer/striker into a spring-loaded ("cocked") "ready and set" position, allowing the operator to open the breech and eject any spent/unwanted cartridge/shell from the ...
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 ...
Note the multiple serrations on the side of the bolt carrier that interface with the device seen through the ejection port The forward assist is a button found on firearms with non-reciprocating (i.e. not attached to the bolt/bolt carrier) cocking handles, commonly on AR-15 rifle derivatives, such as the M16 rifle , and is usually located on ...
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Metallic cartridges package projectile, propellant and primer together. They are initiated by striking with a firing pin or striker that passes through the breechblock.Early metallic-cartridge, single-shot breechloading rifles, such as the British Snider–Enfield model 1866 and the American Springfield model 1873, continued to use side-mounted hammers and lock mechanisms that differed little ...
It is easy to assemble, modify and repair using a few simple hand tools, and a flat surface to work on. The AR-15's upper receiver incorporates the fore stock, the charging handle, the gas operating system, the barrel, the bolt and bolt carrier assembly. The lower receiver incorporates the magazine well, the pistol grip and the buttstock.
The standard AP-9 has a 5-inch barrel. The AP-9 Target began with a 12-inch barrel (Target AP-9), but this was later reduced to 11 inches (AP-9/11 Target); they both have a separate fore-end and a fluted barrel.
KeyMod is a universal interface system for firearm accessory components. The concept was first created by VLTOR Weapon Systems of Tucson, Arizona, and released through Noveske Rifleworks of Grants Pass, Oregon, before being published open sourced in the public domain for adoption by the entire firearms accessory industry.