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"Learn how and why gun work This is the most comprehensive demonstration of the mechanics of pistols, rifles and machine guns. You'll learn the difference of how semi-automatic and automatic rifles, fire, gas operation vs. blowback operation. What exactly happens in chambering, locking, cocking, firing, unlocking, extraction, ejection and feeding. THANK YOU FOR LOOKING !! WE have many more GREAT TITLES !! SEE OUR OTHER AUCTIONS...."
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