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Posted: 10/28/2004 7:47:20 PM EST
[Last Edit: 10/28/2004 9:04:14 PM EST by Boom_Stick]
I polished it and the takeup stays smooth for a while but then it gets gritty again! I've had to polish the thing twice now.

WTF, over?!

BTW it's a stock AR15 trigger.
Link Posted: 10/28/2004 8:09:05 PM EST
probably because there should be no take up or travel at all... its a single stage trigger. I suggest throwing the crappy trigger in the garbage and buying an Accuarcy Speaks trigger.
Link Posted: 10/28/2004 8:16:36 PM EST
By polish do you mean stoned? If it is just at the break the edge may have gotten too sharp and crumbled. The surface is heat-treated and a thin edge is brittle. Check it and see if there is a slight irregularity or dished surface. Try very, very lightly stoning the edge. An all but invisible dulling of the edge may fix it. A little goes a long way so just a couple light strokes at a time.
Link Posted: 10/28/2004 8:17:05 PM EST
You may have worn thru the hardened surface.... and now with use it gets gritty again. I have done this and learned the hard way.... leave those stock triggers alone.... or upgrade them to a real trigger.
Link Posted: 10/28/2004 8:21:56 PM EST

Originally Posted By FALARAK:
You may have worn thru the hardened surface.... and now with use it gets gritty again. I have done this and learned the hard way.... leave those stock triggers alone.... or upgrade them to a real trigger.



100% correct.

Leave the Friggin Triggers Alone!
Link Posted: 10/28/2004 8:22:14 PM EST
Might have polished too far.

Time to replace it.
Link Posted: 10/28/2004 8:24:47 PM EST
[Last Edit: 10/28/2004 8:26:20 PM EST by El_Roto]
Link Posted: 10/28/2004 9:02:09 PM EST
[Last Edit: 10/28/2004 9:04:29 PM EST by Boom_Stick]
It's a MT6400 trigger so the hammer spring was very strong. I replaced it with a spring set I modified using the home trigger job posted here a long while back. It's like butter now!
Link Posted: 10/28/2004 9:09:45 PM EST
Just be aware.... by weakening the hammer spring using the 15 minute trigger job, the trigger FEELS great.... and for a bench gun, it WORKS great. However, using Q3131A, I have gotten batches that the modified trigger would not set off, and got light strikes. 2-3 rounds per mag would fail. I kinda gave up on this after that.... used to have it in all my rifles. If you dont care about 100% reliability.... then its a great trigger job.
Link Posted: 10/28/2004 9:14:19 PM EST
[Last Edit: 10/28/2004 9:14:51 PM EST by Boom_Stick]

Originally Posted By FALARAK:
Just be aware.... by weakening the hammer spring using the 15 minute trigger job, the trigger FEELS great.... and for a bench gun, it WORKS great. However, using Q3131A, I have gotten batches that the modified trigger would not set off, and got light strikes. 2-3 rounds per mag would fail. I kinda gave up on this after that.... used to have it in all my rifles. If you dont care about 100% reliability.... then its a great trigger job.



I'm a little worried about that too. I've put quite a few rounds on these springs and they've been reliable so far, but there's always that possibility.

I saved the Colt springs just in case islamofascists decide to rush.
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