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Old October 10, 2011, 08:19 AM   #12
Jimro
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Join Date: October 18, 2006
Posts: 5,759
Yes, platform matters very much.

In a semi-auto platform the brass has a greater opportunity to stretch and deform from things like generous chambers and the violent extraction.

In a manual action like a bolt, break, or falling block the brass has more support through the firing process. I know folks who get around seven reloads out of FGMM brass through their bolt guns, but I don't know anyone who gets that number out of gas guns.

Jimro
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