Pro2AInPA Posted July 18, 2010 Share Posted July 18, 2010 At our monthly 3 gun match today, my AR decided to start going select fire on me. It happened twice today. Once it doubled, and I'm pretty sure once it was a 3 round burst. I have thousands of rounds on this lower and this has NEVER happened before. A professional gunsmith was at the match today and he disassembled the lower and didn't see anything wrong with the FCG. I had the issue on the first two stages of the day, and for the last two stages I put my upper on another shooter's lower and had no problems, so I suppose I've isolated this to a problem with the lower? Any ideas what causes this? Here's a video of one of the instances: Link to comment Share on other sites More sharing options...
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