bolt carrier group

  1. RET15

    Help Pls: WHAT In the world is THIS??

    Asking for some of your expert opinions on an AR issue. I’ve done a few AR builds a and my most recent a 300blk. I put about 500 rounds (supersonic) through it without a single issue. I then added a Q Full Nelson suppressor and moved to subsonic. I put about 25 rounds through it to test with...
  2. E

    Bolt-head differences (AR-15/M16)

    Hello everyone, I was recently researching on the topic of the differences between M16 and AR-15 general receiver parts, and while I have found out that M16 bolt carrier groups differ from AR-15 ones, I could not find any info on the difference of the bolt-head, maybe someone here knows. So...
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