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Old February 17, 2013, 04:35 AM   #18
Senior Member
Join Date: February 11, 2012
Location: Williamsburg, Va.
Posts: 1,286
Sorry to quibble, but an inertia action does not function at all like a blow back pistol. The bolt in an inertia action is locked to the barrel until it is unlocked after the shot is long gone. In short, when a round is fired, everything in an inertia gun, except the rear section of the bolt, recoils to the rear. The rear of the bolt resists moving (due to inertia) and compresses a spring. When that spring uncompresses, it throws the bolt to the rear as the shooter stops the gun.
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