In previous posts I have mentioned that some of the guns I have used were gas operated. So I thought that as well as the experienced shooter, I also need to accommodate someone who might not know a thing about guns. As such I will explain how gas operation works. A gas operated firearm is one that recycles the action via a small amount of gas taken from that, that is produced when the powder in the round is ignited, so pretty much when the gun is fired. What happens, is when the gun is fired the gas forces the projectile (the bullet) out the barrel, but at a point along the barrel there is a small hole that vents gas trapped behind the bullet into a chamber, which in turn forces a piston to move back, this unlocks the action, chambers a new round and resets the action ready to be fired again. This is a process of autoloading, as apposed to manual loading, where someone must manually reset the action, such as a bolt action firearm.
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