Thread: Sell an MMC AR?
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Old 12-28-2012, 21:41   #18
K. Foster
Senior Member
Join Date: Feb 2002
Location: Mo.
Posts: 2,214
Sorry to hear that. Check the bolts on your gas key. They need to be tight and staked in place.
An amateur trains until he gets it right, a professional trains until he can't get it wrong.
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