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  2. Parts kit - Wikipedia

    en.wikipedia.org/wiki/Parts_kit

    In addition, under US gun law, a receiver that is legally a machine gun cannot legally become semi-automatic. [4] There is no federal restriction on the purchase and import of machine gun parts kits (minus the barrel), however. [3] Parts kits are available for many firearms including the AR-15 and AKM variants. [5] [6] [7]

  3. Category:Firearm components - Wikipedia

    en.wikipedia.org/wiki/Category:Firearm_components

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  4. M114 155 mm howitzer - Wikipedia

    en.wikipedia.org/wiki/M114_155_mm_howitzer

    In 1997, the United States supplied Bosnia-Herzegovina with 116 ex-US Army M114A2s while an additional 145 were earmarked for spare parts. [ 7 ] M114/39 (Netherlands) − Dutch modernization by RDM Technology, it features a 155 mm 39 caliber barrel supplied by Bofors (now BAE Systems) amongst other upgrades. 96 M114s were modernized for Denmark ...

  5. Glossary of firearms terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_firearms_terms

    This refers to parts that are designed and manufactured such that they have a relatively tight-tolerances and high level of accuracy. Matchlock: An obsolete mechanism for discharging a firearm. Medium machine gun: A class of machine gun often defined as being designed for carry and use by multiple operators, firing a full-power rifle cartridge.

  6. Headspace (firearms) - Wikipedia

    en.wikipedia.org/wiki/Headspace_(firearms)

    Headspace positioning of rimless, rimmed, belted and straight cartridges Several different rimmed, .22 rimfire cartridges, which have a uniform forward diameter, and which have headspace on the rim, allowing any length of cartridge shorter than the maximum size to be used in the same firearm Firearms chambered for tapered rimmed cartridges like this .303 British cannot safely fire shorter ...

  7. Blank (cartridge) - Wikipedia

    en.wikipedia.org/wiki/Blank_(cartridge)

    A 7.62×51mm NATO crimped blank cartridge. The appearance of a blank cartridge can give a false sense of safety. Although blank cartridges do not contain a bullet, precautions are still required because fatalities and severe injuries have resulted on occasions when blank cartridges have been fired at very close ranges.

  8. Rail integration system - Wikipedia

    en.wikipedia.org/wiki/Rail_integration_system

    A rail system mounted on top of a SIG SG 550 A dovetail rail on a rifle receiver for mounting a sight. A rail integration system (RIS; also called a rail accessory system (RAS), rail interface system, rail system, mount, base, gun rail, or simply a rail [1]) is a generic term for any standardized attachment system for mounting firearm accessories via bar-like straight brackets (i.e. "rails ...

  9. Action (firearms) - Wikipedia

    en.wikipedia.org/wiki/Action_(firearms)

    There are three basic types: long stroke gas piston (where the gas piston goes the same distance as the operating stroke of the action parts, and is often attached to the action parts), short stroke gas piston (where the gas piston travels a shorter distance than the operating stroke of the action parts), and direct impingement (AKA "direct gas ...