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Firearm Actions

Firearm actions can be divided in to different categories based on what provides the energy for its cycle, and how they lock the breech of the firearm.
Recoil operation	Recoil operation is a type of locked-breech firearm action used in semi-automatic and fully-automatic firearms. As the name implies, these actions use the force of recoil to provide the energy to cycle the action.
	Firearms that use recoil operation Short-recoil - Colt M1911, CZ75, Browning Hi-Power, HK USP, Glock, M2 Browning machine gun, MG42, Ceska Zbrojovka Vz 52, M82 Long-recoil - Browning Automatic Shotgun, Femaru STOP Pistol, Mars Automatic Pistol
Blowback/Blowforward operation	Blowback operation is a system in which semi-automatic and fully-automatic firearms operate through the energy created by combustion in the chamber and bore acting directly on the bolt face through the cartridge.
	Firearms using blowback operation Direct blowback - MP 18, MP 40, Uzi, HK UMP, Walther PPK Direct blowforward - Steyr Mannlicher M1894, SIG AK53, Hino-Komuro, Schwarzlose Pistol Roller-delayed blowback - SIG 510, CETME, HK G3, HK MP5, HK P9 Gas-delayed blowback - HK P7, Steyr GB, Volksturmgewehr Lever-Delayed Blowback - TKB-517, FAMAS, AA-52 Blish Lock - early Thompson submachine guns
Gas-operated reloading and Direct impingement	Gas operation is a system of operation used to provide energy to semi-automatic and fully-automatic firearms. In gas-operation, a portion of high pressure gas from the cartridge being fired is used to extract the spent case and chamber a new cartridge.
	Firearms using gas operation Short-stroke gas piston - FN FAL, AR-18, T2 MK5, AK-47, HK G36, XM8, MP7, SA80, SKS Long-stroke gas piston - M1 Garand, FG 42 Direct impingement - AR-15, M16, AG-42
Manual operation	Manual operation is a firearms term describing any type of firearm action that is loaded one shot at a time by the user rather than automatically. For example, break action is a form of manual operation using a simple hinge mechanism that is manually unlatched by the operator exposing the chamber(s) for reloading.
	Firearms using manual operation Bolt action - Karabiner 98k, Winchester Model 70, Mosin-Nagant Lever action - Winchester Repeating Rifle, Marlin Model 1894 Pump action - Remington 870, Winchester Model 1897 Break action - Single and Double-barreled shotguns, Single and Double-barreled rifles, Combination gun, Thompson Center Arms Contender Falling block - Martini-Henry, Ruger No. 1
Muzzle-loading	A Muzzle-loading firearm is one in which the firearm is loaded from the muzzle-end (typically with black powder and a lead projectile), with a ramrod then being used to ensure the powder and shot are properly seated. Muzzle-loading rifles are typically referred to as Muskets.
	Muzzle-loading Weapons Matchlock - Arquebus Wheellock - Miquelet Flintlock- Brown Bess Musket, Duelling pistol Percussion Cap - Enfield 1853 Rifled Musket, LeMat Revolver

References taken from http://Wikipedia.com

Today is: Thursday, August 28, 2008