M&P Needs New Gas Rings @ 800 Rounds
While cleaning the M&P Sport II, I noticed that the bolt was moving very freely although the rifle was still running fine.
Did the "stand me on my nose" BCG test and carrier fell right down.
Put in new rings and bolt tightened right up.
Thanks
Last edited by spitnine; 10-20-2018 at 04:41 PM.
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