Powerbomb51 0 Posted February 3, 2013 Report Share Posted February 3, 2013 I had a shark brake installed along with a new front sight gas block. Could it be the brake that is keeping it from cycling? I'm thinking it's the new gas block...but I was curious if it could be the the break. Quote Link to post Share on other sites
lbsrdi 1,078 Posted February 4, 2013 Report Share Posted February 4, 2013 It is not the break Quote Link to post Share on other sites
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