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Thread: Which parts on trigger to you smooth out to get rid of grit?

  1. #11
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    A quick and easy improvement is a shot of moly lube on all contact surfaces and pins.

  2. #12
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    just shoot it until it's smooth, if you want a better trigger then buy one.

  3. #13
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    I'm in the just shoot it until it smooths out or upgrade to a Geissele group. If you're going to grease it, Mobile 28 is the way to go. It is the grease that is supplied with Geissele triggers and works great for this application. Be careful with the Moly greases and lubes. Moly by itself is fine but many contain graphite which is bad for aluminium. Just make sure the Moly stuff you're using does not contain any graphite if you want to go that route.

  4. #14
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    Quote Originally Posted by a0cake View Post
    I'm in the just shoot it until it smooths out or upgrade to a Geissele group. If you're going to grease it, Mobile 28 is the way to go. It is the grease that is supplied with Geissele triggers and works great for this application. Be careful with the Moly greases and lubes. Moly by itself is fine but many contain graphite which is bad for aluminium. Just make sure the Moly stuff you're using does not contain any graphite if you want to go that route.
    Thanks! Good to know. I'll check out my greases.

  5. #15
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    There is a fine line between polishing/stoning and sanding, when you cross it...you will have destroyed the part. Most are surface hardened only, when you sand thru that, toss it in the trash. Your best bet is to buy a quality trigger or have a gunsmith do it correctly.

  6. #16
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    Grease always helped triggers for me. I have a S&W MP 15-22 which had an awful trigger when I first got it. After the first range trip I took it apart and greased the trigger engagement surfaces with weaponshield grease. After this was done it smoothed up quite a bit but is still heavy like a USGI trigger which is fine for this rifle.

  7. #17
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    Cool

    I run Geissele Triggers now. They come pre-smoothed.
    - Either you're part of the problem or you're part of the solution or you're just part of the landscape - Sam (Robert DeNiro) in, "Ronin" -

  8. #18
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    I have seen a trigger group with a VERY small defect (very hard to notice with a visual inspection) that caused the weapon to double, the AR-15 trigger system is machined to fairly high tolerances and it doesnt take much alteration to produce a dangerous situation.

  9. #19
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    I agree that it's problematic to take off too much or change any angles. I've also tried a few GI triggers with the big unnamed guy working them over and they all went tits up. I've also lightly polished the flats like I described above and never had an issue. I've tried replacement springs, never again. For me the goal was never to make a match or light trigger, but just to smooth it up a bit. That goal is attainable. FWIW currently every lower I own has some sort of Giesselle in it. You can't make silk from a sows ear so don't try.
    "The peace we have within us is most often expressed in how we treat others"

  10. #20
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    My Colt has quite a few rounds through it and never got any better.

    Twenty minutes and a few dabs of Flitz took the grit out of mine. I polished the bright/sear areas..

    I did not polish it to a solid mirror shine though. There is still machine marks. Really shiny machine marks.

    Its so much nicer now. Still a long single stage and slightly creepy trigger. But no more grit.

    I shot an SD-C. I will be ordering one soon.
    Last edited by DasBulk; 12-27-11 at 02:14.
    “Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.” Khalil Gibran

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