I recently built an Ar-15, with a rifle length gas system, fix luthr stock, and full rifle buffer system. My issue is the action seems to be short stroking, firing and ejecting the first round, however, the bolt fails to return far enough to the rear to feed the next round. I have tried adjusting the buffer weight as well as swapping in a carbine buffer. None of those options have worked does anyone have any suggestions? It is using a 20 or 22 in barrel chambered in .223 Wylde. Any help would be appreciated.
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