Tex4426
Member
Shot my AR for the first time yesterday and only issue is bolt does not stay back on last shell...but when pulled back by hand it will...using thermold mags and magpul p-mags..any clue?
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AR 15 bolt catch problem
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Tex4426
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Using handloads...most are hot loads...it will sling the brass...its a RRA NM lower and a RRA predator pursuit upper if that helps
Taurus 617 CCW
Member
Try factory ammo and a different magazine. I have always had good luck with Colt magazines for troubleshooting.
Tex4426
Member
It ejects the brass with what i consider to be a pretty good force ..hot load im refering to the powder charge as being only a few tenths under max charge...also my first conclusion was that it is a gas problem ...this was my first conclusion because ive heard this issue with a RRA before..ive nit had time to checj it out though
rcmodel
Member in memoriam
Take the upper off the lower and look down inside to see if your magazines are capable of operating the bolt release.
rc
rc
Tex4426
Member
They are rc...checked that before i even shot it...thanks for the suggestion though
rcmodel
Member in memoriam
O.K.
What is your load?
Bullet weight, powder, and charge?
rc
What is your load?
Bullet weight, powder, and charge?
rc
Tex4426
Member
Nosler 60 grain boat tail ballistic tip...i believe the powder charge was 26 grain give or take a few tenths..cant remember exactly and that was with hogdons cfe 223
Compared to what? What is your ejection pattern? Is it throwing the brass forward? If it's throwing the brass behind you, that may be a sign of a gas problem.
This doesn't necessarily mean that the loads are hot. A lot of data out there is on the conservative side. This doesn't tell us anything about the load. Maybe the powder that you are using is too fast.
As mentioned, try factory ammo.
BADUNAME37
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I know - when I was working up loads for my AR, I went through a LOT of different loads, and, when I thought I was at MAXIMUM, I found out I was STILL WAY UNDER MINIMUM!
Check your load from as many different sources and even see what other same-weight/similar bullets' recommended loads are!
Of course, all this comparing is not to increase your load per se, just to get some kind of feeling of what is HOT and what is NOT!
Check your load from as many different sources and even see what other same-weight/similar bullets' recommended loads are!
Of course, all this comparing is not to increase your load per se, just to get some kind of feeling of what is HOT and what is NOT!
Creature
Member
Concur. There could also be a partial blockage somewhere in the gas system.
kwelz
Member
Are you using a B.A.D. lever?
Tex4426
Member
Yes it does have a B.A.D lever...it throws brass straight out and i compair the ejection to that of my dads bushmaster
kwelz
Member
Remove the B.A.D. lever and I would bet your problem goes away.
Tex4426
Member
Is their a reason for that or is it just personal experience...i really like the lever and if thers a reason it does that then maybe i can find a fix
kwelz
Member
Both. You are adding additional weight and force on the Bolt release that it was never made to handle. This is one of the many failings of the B.A.D. lever. Trust me. You are better off ripping that thing off there and smashing it, or selling it off to someone else.
They cause failures in the weapon and are dangerous.
Tex4426
Member
Ok..ill try it out and see what happens
mljdeckard
Member
I've never had a problem with a B.A.D. lever, but it's not unreasonable to take it off to test. I've never had Pmags fail to lock the bolt open either. Is the bolt catch moving freely in the slot? On some I have built, I had to stone them a bit to make them swing freely.
Tex4426
Member
Last i remeber it did but ill give it a closer look as well
AK103K
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The BAD lever is a likely culprit and is easy enough to remove and see if it solves the problem.
I have them on three out of the four AR's I have, and they work fine. The fourth had one on it too, but it didnt like it and the bolt closed on an empty mag on a regular basis. Since it was removed, its functioned fine.
I have them on three out of the four AR's I have, and they work fine. The fourth had one on it too, but it didnt like it and the bolt closed on an empty mag on a regular basis. Since it was removed, its functioned fine.
What do you mean it's throwing the brass straight out? Do you mean at a 3:00 pattern? I'm trying to get an idea of how much bolt velocity you're getting.
As it stands now, it could be any number of things. From the bad lever to under pressure ammo.
As it stands now, it could be any number of things. From the bad lever to under pressure ammo.
Tex4426
Member
Im not sure but most the brass land 5-8 feet way about 1-2 oclock assuming 12 o clock is straight out from the gun at a 90 degree angle...as far as how i it cam up i couldnt tell wasnt watching it
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