Bulletski
Member
I just finished up on a partial rebuild of one of my ARs.
I put in a new barrel, a new Aero BCG, an almost unused Aero upper and a new buffer tube kit that came with a spring that was about one inch longer than the old one. But I can't believe that has anything to do with the problem.
That's all the info that I think might have anything to do with the problem.
ANYWAY, the problem is that I went to the range yesterday for the first time to get get the gun sighted in. What happened was that the BCG wouldn't go back all the way to lock up on the last shot. The gun cycled just fine otherwise.
With no rounds in a mag and pulling back on the charging handle, the BCG locks up just fine.
I've examined the bolt catch and it "seems" to be OK.
The only thing I can think of is that the bolt catch doesn't go high enough on the bolt face rim. However it seems to be high enough. That is, it's almost as high on the bolt face rim as on my other AR which works fine.
BTW, I tried different mags but with the same result. The BCG either wouldn't go back and lock up OR the BCG would just go back into battery after the last shot.
As always, thanks for replies
I put in a new barrel, a new Aero BCG, an almost unused Aero upper and a new buffer tube kit that came with a spring that was about one inch longer than the old one. But I can't believe that has anything to do with the problem.
That's all the info that I think might have anything to do with the problem.
ANYWAY, the problem is that I went to the range yesterday for the first time to get get the gun sighted in. What happened was that the BCG wouldn't go back all the way to lock up on the last shot. The gun cycled just fine otherwise.
With no rounds in a mag and pulling back on the charging handle, the BCG locks up just fine.
I've examined the bolt catch and it "seems" to be OK.
The only thing I can think of is that the bolt catch doesn't go high enough on the bolt face rim. However it seems to be high enough. That is, it's almost as high on the bolt face rim as on my other AR which works fine.
BTW, I tried different mags but with the same result. The BCG either wouldn't go back and lock up OR the BCG would just go back into battery after the last shot.
As always, thanks for replies