AnthonySmithXR
Member
- Joined
- Jan 8, 2013
- Messages
- 62
I'm wondering if the brain trust can help me. I've got a 556 AR that I built (good parts and good assembly, I'm 99% sure of that). It's a Daniel defense 16"mid barrel. Carbine buffer.
I'm using a mix of usgi mags (foliage followers) and pmags (gray followers).
I put about 400 rounds down range today (that makes about 450 total in the guns life). Whatever mag I used I had intermittent feeding problems (mostly extraction and double feed). When I say intermittent I mean I could fire off 20 rapidly no problem, the switch to slow fire and have an issue every 2-5 rounds. Then nothing for another 20 rounds of slow fire.
The ammo was hand loaded xm193. Also, the gun was plenty well lubed and clean (it's practically brand new!)
I know there are a thousand things that could be the issue here, not least of which is ammo. Next trip to the range I'm going to eliminate that variable by using high-quality factory ammo. Now, assuming the problem persists, what might some causes and solutions be? The two things that come first in my mind are, number one, a slightly larger gas port. Or, number two, a heavier weight buffer.
Any other ideas? Am I on the right track? I would prefer to look at part swaps over modifying the barrel at this point. I'm willing to do it and I know that it's a normal thing. However I would like to leave that as a last resort if possible. Thanks a lot.
I'm using a mix of usgi mags (foliage followers) and pmags (gray followers).
I put about 400 rounds down range today (that makes about 450 total in the guns life). Whatever mag I used I had intermittent feeding problems (mostly extraction and double feed). When I say intermittent I mean I could fire off 20 rapidly no problem, the switch to slow fire and have an issue every 2-5 rounds. Then nothing for another 20 rounds of slow fire.
The ammo was hand loaded xm193. Also, the gun was plenty well lubed and clean (it's practically brand new!)
I know there are a thousand things that could be the issue here, not least of which is ammo. Next trip to the range I'm going to eliminate that variable by using high-quality factory ammo. Now, assuming the problem persists, what might some causes and solutions be? The two things that come first in my mind are, number one, a slightly larger gas port. Or, number two, a heavier weight buffer.
Any other ideas? Am I on the right track? I would prefer to look at part swaps over modifying the barrel at this point. I'm willing to do it and I know that it's a normal thing. However I would like to leave that as a last resort if possible. Thanks a lot.