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AR-10 NM Trigger Problems...Help!

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Pepe Domingo

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Joined
Sep 23, 2003
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PA
AR-15.com is down right now, but I am sure that somebody here can help. In fact, there is a somewhat similar thread I found on search, but it didn't really resolve the issue.

Here goes......

I have a new AR-10 carbine that I really like. However, the trigger on it, though suitable for a battle rifle, is not really condusive to extreme accuracy. I really wanted to put in a NM trigger to see how much more accurate I could get. Problem is that a NM trigger runs at least $100 and I do not have that kind of bread right now.

Then I realized that I already have a great NM trigger in my RRA .223 carbine. I thought that I would just swap triggers and everything would go bang. The RRA is actually better suited to a heavier single stage trigger anyway. It is my understanding that the AR-10 and AR-15 type rifles use the same trigger assemblies.

I went ahead and did the swap. I am no great shakes as a gunsmith, but it seemed super easy. Remove Pin A, remove Pin B, replace assemblies and....thats all there was to do.

Okay, next day I take both rifles out for a spin. My AR-10 is now a single shot weapon. It will fire the first chambered round, eject the casing, load the next one and the hammer will not stay cocked. The RRA is running fine and is very happy.

I took the AR-10 apart and pulled the trigger asm. and cleaned it. Upon reassmbly and cycling, it worked fine. I could cycle the action and the hammer would cock and fire. However, I did discover that if I held onto the trigger, the hammer would not pick up and cock. Apparently, when I fire the weapon, my finger is still putting enough pressure on the trigger to cauase whatever is happening.

HELP!!!! I love this rifle and the trigger has shrunk my groups in half, shooting one round at a time. :banghead:

Pepe Out
 
Send it to me. I will give selflessly of my time to experiment with this rifle. If it takes hundreds, nay, THOUSANDS of rounds of experimenting I will determine the problem. :)

Sorry, I couldn't resist. And no, I have no idea. Good luck.
 
AR-15 triggers are built for AR-15s. You need a match AR-10 trigger. Even if you could get the hammer to cock reliably, you would most likely have light strikes. This is a common occurence with match AR-15 triggers in AR-10s.
 
Did you try backing off the adjustment screws (making the trigger pull longer/heavier)?

Kharn
 
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