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Posted: 11/20/2016 3:20:18 PM EDT
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I have an MP15T and want to improve the trigger. Trying not to spend much money and I
like tinkering with things like this. I got a 1/4 28 setscrew to take up the pretravel, but if I adjust it to take up more than a tiny amount, the disconnect doesnt work. There is not enough forward travel in the trigger when released to let the disco release the hammer onto the sear. It appears I would need to remove material from the hammer or disco to fix this. If thats the case is there a tutorial somewhere? I also have a lot of overtravel. It appears to me that a small screw added to the front of the trigger facing straihht down could contact the receiver and get rid of the overtravel. Is this a good idea? Been done before? Maybe I should just buy a new trigger....thoughts? |
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Quoted:
I have an MP15T and want to improve the trigger. Trying not to spend much money and I like tinkering with things like this. I got a 1/4 28 setscrew to take up the pretravel, but if I adjust it to take up more than a tiny amount, the disconnect doesnt work. There is not enough forward travel in the trigger when released to let the disco release the hammer onto the sear. It appears I would need to remove material from the hammer or disco to fix this. If thats the case is there a tutorial somewhere? I also have a lot of overtravel. It appears to me that a small screw added to the front of the trigger facing straihht down could contact the receiver and get rid of the overtravel. Is this a good idea? Been done before? Maybe I should just buy a new trigger....thoughts? If it won't release the disco, you may have the adjuster too high. Try backing off the adjuster until you can move the selector switch to "Safe", then tighten your adjuster just until you feel resistance at the set screw; move the selector back to "Fire" and do a function test; it should work. It'll still be a heavy trigger, but the half-mile of takeup will be gone. Personally, I like Hiperfire's "EDT" single-stage unit: 4.5 pound break weight and short reset, for $90 from Joe Bob's. 
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