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+--- Thread: AR-15 failed to cycle (/thread-2302.html)
AR-15 failed to cycle - ssphoto - 03-11-2016
Just got my AR-15 back from the mfg (ATI). When I bought it back in January, it shot one magazine, then failed to cycle any rounds.
Cause: the gas block had moved too far forward, causing the gas port hole and gas tube hole to misalign.
They installed a new gas block.
Works like a charm now! Yippee!