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Thread: Triggers -- single stage or two-stage?

  1. #21
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    I have a 2 stage LMT trigger but I am looking to replace it with a LMT single stage. The single stage pull is not much more than the 2nd stage and the single stage has a more positive reset than the 2 stage LMT .
    If you are wanting a trigger for a fighting carbine I would recommend a good single stage. If its a precision rifle with magnified optics the I would consider a 2 stage trigger.

  2. #22
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    Outside of the AR world, single stage triggers are preferred for precision shooting and hunting. Two stage triggers are for combat arms and were used, as mentioned before, the Springfield 03 & 03-A3, Enfield Garand and M14. I'm uncertain about the Krag and earlier US rifles.

    Other rifles with two stage battle triggers include the German Mauser Models 91, 93, 96 & 98, and variants; HK G3 and 93; British Enfield series bolt actions; Japanese Arisakas and the variants of the FN Fal, just to name a few.

    The AR is the first rifle I've encountered where shooters replace single stage triggers with two stage triggers for competition, hunting and precision and consider the single stage trigger a combat trigger

  3. #23
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    As a patrol rifle instructor and armorer for my department, single stage all the way. Over the last 8 years, I've seen two of the RRA 2-stage hammers break in half. Now, I do consider the particular manufacturer's quality as an underlying factor with the failures. However, I've never seen a USGI single stage hammer fail, even those that are from sub-par manufacturers.

    I've handled the Geisseles triggers before, and and I'm sure the QC is light year's ahead of the low end 2-stage triggers. However, I personally don't like the feel of a 2-stage trigger. Maybe it's because I've grown used to the feel of a single stage, after 8 years in the military and 12 years on my department. What I actually prefer are the enhanced single stage triggers, which have been coated in nickel teflon or nickel boron. The coatings really clean up the trigger, with a crisp break and clean/smooth reset.

  4. #24
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    I had a Rock River go from a two stage to a light single stage within 200 rounds. Now all my guns have standard single stage triggers except one that I am running a Gressele SSA. The jury is still out on the Gressele as far as the benefits VS the cost.
    This is going to sound really crazy, but I have had really good luck with M&A 's single stage trigger. Not expensive and a real nice pull. I'd guess at 4-5 pounds and clean.
    M&A can give you what ever you need. They can make up a lower parts kit with the trigger or just a the trigger group.

  5. #25
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    Quote Originally Posted by PatrolRifleGroup View Post
    What I actually prefer are the enhanced single stage triggers, which have been coated in nickel teflon or nickel boron. The coatings really clean up the trigger, with a crisp break and clean/smooth reset.
    Have you found that the plating holds up long term? It seems like a tiny surface area that might wear quick no matter what you plate it with. I assume you've inspected a bunch after specific intervals and might have some insight. The Spike's Battle trigger interests me but I figured the plating wouldn't last...

  6. #26
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    I've got 4 rifles with the enhanced FCG's. One of them has roughly 3K rounds, the other 1K, and the last two less than 500 (the rifles themselves have far more rounds through them, the enhanced FCG's were installed within the last year). You are correct about the small amount of surface contact. I'm not too concerned about the coatings wearing off. The contact spots are shiny, but show no signs of flaking or peeling. I can't remember which forum, but a Fail Zero rep stated that their coating has an extremely high rockwell hardness.

    A buddy of mine runs a side business, building AR's and selling tactical gear (he's also LEO and a rifle instructor/armorer). He's found two different shops who can do the NiBoron and NiTeflon. To date, he's sent a ton of our current patrol rifle BCG's and FCG's out for plating (our officers own their rifles).

    We've seen nothing but good things as a result of the coatings. The guns generally run better, even if the Officer has not done the best job at cleaning and lubing their rifle. As a matter of fact, most cops do a down right crappy job of maintaining their rifles. Sorry to get off on a tangent, I like the coatings. Back on topic.
    Last edited by PatrolRifleGroup; 03-05-11 at 16:41.

  7. #27
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    I'm really pleased to see the amount of intelligent discussion this thread has generated. this is working out well.

    for the record, I have carbines with both types of triggers and see a material difference between them but was interested in the functional differences or advantages of either.

    thanks to everyone who has taken the time to post their experiences...
    Last edited by ra2bach; 03-06-11 at 09:22.
    never push a wrench...

  8. #28
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    The military has used the Geissele SSF, DMR, and KAC triggers in AR platforms. The Garand also uses a 2 stage trigger.

    The USGI M16 trigger is the exception to military triggers NOT being 2 stages.

    Im not sure why people have latched onto the commercial USGI single stages as being the end all be all triggers. They aren't even the same as issue FA trigger groups.
    The issue trigger with the 3 round burst cam adds a lot of parts and feel to the trigger.
    The real, no-kidding issue MILSPEC three-round burst trigger works, but as far as being a decent rapid or precision trigger it sucks shit.

    A good, commercial single-stage trigger or tuned M16A1 trigger will meet the requirements of 95% of all Soldiers issued an M16A2/4 or M4.

    Those who know what the hell they're doing will benefit from a good two-stage trigger.

    Commercial two-stage triggers that lose their adjustment, plain go out or go away after a few hundred to a few thousand rounds, or that have to be replaced at every barrel change are unsat and can get you killed.

    You want a combat-proven two-stage that will out-live your uppers and multiple barrel changes, buy a Geissele.

  9. #29
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    ^^^ Very well said ^^^

  10. #30
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    Has anyone here tried this yet? (video at bottom) http://www.rainierarms.com/?page=sho...roduct_id=1852

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