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TMD · October 22, 2012, 08:14 AM

I've been through thousands of #400's in my AR's and have never had a slam fire, punctured primer, blown out primer, or any other primer issue. They work fine in my 5.56's, my 6.8spc, and my .300 ACC Blackout.

October 22, 2012, 08:14 AM	#3
TMD Senior Member Join Date: August 9, 2011 Posts: 1,293	I've been through thousands of #400's in my AR's and have never had a slam fire, punctured primer, blown out primer, or any other primer issue. They work fine in my 5.56's, my 6.8spc, and my .300 ACC Blackout.