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Old June 14, 2010, 09:36 AM   #17
Junior member
Join Date: March 13, 2008
Location: AZ
Posts: 1,129
Yesterday I went shooting with my Armory buddy, just back from Afghanistan, and he gave me a headspace guage and a military min/max firing pin protrusion guage.

I immediately thought of this thread. For what it's worth... my M4 passed the min/max check.

Last edited by demigod; June 14, 2010 at 09:41 AM.
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