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Site News Could You Have Stopped This? Vegas Shooting Analysis with Attorneys on Retainer
8/12/2004 6:32:46 PM EDT
can someone ID a bolt for me? it's marked 'MPGC.'

Thanks!
8/12/2004 7:25:22 PM EDT
[#1]
MP = magnetic particle inspection
G is a date code
C = Colt

www.biggerhammer.net/ar15/barrelsbolts/
8/12/2004 9:12:50 PM EDT
[#2]
Thanks for the tip! I've seen lots of 'MPC' marked bolts, but never one that was marked 'MPGC' before. This is not even listed on the page you listed?
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