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Average Joe · November 23, 2009, 06:28 PM

Commercial ammo has softer primers than military surplus, when a round is fired, and the new round is fed in, the inertia from the bolt will allow the firing pin to lightly strike the newly fed round. Some softer primers will detonate.

November 23, 2009, 06:28 PM	#10
Average Joe Senior Member Join Date: August 29, 2005 Location: Central Florida Posts: 1,325	Commercial ammo has softer primers than military surplus, when a round is fired, and the new round is fed in, the inertia from the bolt will allow the firing pin to lightly strike the newly fed round. Some softer primers will detonate.