democracywins
Plinker
I recently built my first AR pistol after building probably two dozen or so rifle length AR15s. And I'm having a issue. The gun won't cycle certain magazines and it is inconsistent on magazines, it is not just one kind or another. When it fails, it will fire the round and eject but fail to feed the next round. My first belief was a mag issue, but it is doing it on mags that I turned around and cycled fine through any of my rifles I grabbed after it failed in the pistol. Then there are magazines that it will run an entire mag with no issue. My thought is that I need a strong buffer spring or a problem with the gas tube. Any thoughts or advice would be appreciated.