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Topic: Gas-operated reloading


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In the News (Wed 30 Dec 09)

  
 Encyclopedia: Rotating bolt
The gas-operated system for implementing automatic reloading of a firearm is one of five such systems, the others being recoil-operated, gatling, chain, and blowback.
A term used to describe a method of locking found most often in gas operated firearms in which the bolt, upon contact with the breech rotates and locks into place, being held in place by lugs attached to the breech or barrel extension.
Image File history File links Bolt and barrel extension from M16 rifle.
www.nationmaster.com /encyclopedia/Rotating-bolt   (145 words)

  
 page15.html
The gas-operated system for implementing automatic reloading of a firearm is one of five such systems, the others being recoil-operated, Gatling, chain, and blowback.
A firearm is a kinetic energy mechanical device that fires either single or multiple projectiles propelled at high velocity by the gases produced by action of the rapid confined burning of a propellant.
Although automatic firearms (by definition) are capable of full-automatic fire, most also have a selective fire capability, meaning that they can be used as a semi-automatic firearm generally by manipulating a selector switch (as with the M16), or by pressing the trigger further to the rear, as with the Steyr AUG assault rifle.
gunshowonthenet.com /page15.html   (13976 words)

  
 Firearms Tech Museum Glossary A
When the bullet is discharged the pressure of the gas starts to move the locked bolt and barrel rearward, the barrel strikes a stop that withdraws its locking device from the breechblock, slide or bolt, which in turn continues rearward to eject the fired case and prepare for the reloading motion.
Lever operated action in which the breechblock is pivoted at the rear of the receiver so that the face of the breechblock swings below the chamber to open the action.
The breech closure is achieved by longitudinal movement of the breechblock parallel to the axis of the bore.
www.firearmsmuseum.org.au /Survey/Glossary/GlosA.htm   (13976 words)

  
 Glossary1.htm
Recoil Operation System: Operation of a self loading or automatic firearm which relies on the recoiling of the barrel, due to firing, to generate the necessary power to operate the reloading cycle.
Recoil: the backward thrust of a gun caused by the reaction to the powder gases pushing the bullet forward.
Gas Operation: One of the basic methods of operating an automatic or self-loading firearm.
www.lockstockandbarrel.org /OwenGun/Glossary1.htm   (5889 words)

  
 GunOwnersAlliance.com - Ask the Rabbi: Gunpowder for Reloading
Bullseye for all non-magnum autoloading pistol cartridges, Unique for medium and magnum revolver rounds, and 2400 for full power magnum load combinations, except for the IMI Desert Eagle gas operated autoloaders.
IMR or Hodgdon 4895 has the greatest versatility in the widest range of rifle cartridges.
2) In magnum cartridges the pressure curve of 231 is such that many load combinations using cast bullets cause serious bullet tumbling (keyholing).
www.gunownersalliance.com /Rabbi_0135.htm   (315 words)

  
 Franchi SPAS-15
Designed specifically for military use, the Franchi SPAS 15 is a semi-automatic gas-operated shotgun that can be converted to pump-action merely by pressing a button on the forend.
The SPAS 15 also comes with an exclusive interchangeable prismatic magazine holding 6 cartridges allowing high-speed reloading, and with a three-lug rotating-bolt locking system.
This shotgun is NATO qualified and used by the police, customs and army in Italy and other countries.
matrix.dumpshock.com /raygun/firearms/shotgun/spas15.html   (124 words)

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