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Thread: Geissele (SSA) In S&W MP 15

  1. #11
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    Do you have to modify the Colt selector when using a Geissele DMR? I believe most selectors require widening the selector slot as mentioned in the Geissele DMR instructions. Thanks.

  2. #12
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    I'll give you $100 for the SSA if you decide you don't want it.
    We must not believe the Evil One when he tells us that there is nothing we can do in the face of violence, injustice and sin. - Pope Francis I

  3. #13
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    Quote Originally Posted by CarlosDJackal View Post
    I'll give you $100 for the SSA if you decide you don't want it.
    I'll do $110

  4. #14
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    No sale, sorry...This not my first trigger work only my first aftermarket unit. So I feel confident it is installed correctly.. I took it out to the range recently and must say it is worth the investment, started grouping right out.. It still fires like a single stage, there is no noticeable second stage.. But for the improvement it grouping it's a keeper..
    Last edited by irocracer89; 06-18-10 at 22:55.

  5. #15
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    Quote Originally Posted by irocracer89 View Post
    No sale, sorry...This not my first trigger work only my first aftermarket unit. So I feel confident it is installed correctly.. I took it out to the range recently and must say it is worth the investment, started grouping right out.. It still fires like a single stage, there is no noticeable second stage.. But for the improvement it grouping it's a keeper..
    That is awesome you are getting some improvements....however a 2 stage trigger kinda needs to have 2 stages...I would try and make sure you turn that one to two.

    Are you cognitively "setting up on your trigger pulls" or rather snapping through it.....which I am thinking you are doing given the SSA affords the user that option but only should be using it once they know both options...as in a slower, setup pull with 2 stages as the other option. Why buy a 2 stage if you do not get that huge benefit of the setup.
    Last edited by ALCOAR; 06-18-10 at 23:53.

  6. #16
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    Trigger pull is slight using very tip of the finger, shoot between breaths..Still remember my BRM training.. No I never just slam through the trigger even on my bolt guns..

  7. #17
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    The post by gotm4 is dead on...

    when I installed my RRA 2-stage NM trigger, it gave me the same problems. A flat file job, parallel to the flat on the selector gave me the clearance to allow the tail of the trigger to rise, and function safely. Besides, it is the cheaper of the 2 parts. Just take it slow. You probably need only a few thousands worth of metal filed off. It's always easier to remove than to add material, and selector switches are easy to replace.
    Bruce

  8. #18
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    Quote Originally Posted by gotm4 View Post
    Buy a new one or mod your safety and not the trigger. Always mod the cheaper part.
    My cav arms lower rocks a SSA and the safety had to be modified to function 100% due to the stacking loose tolerances of the cav arms lower. It was just 10 minutes of filing to get proper fit.

  9. #19
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    I just took the trigger out again, to double check spring placement, and to make sure it was installed right..Function is fine, so I took the safety selector out to give me more room. Still operates like a single, the instructions say you will feel a stop. Which is second stage, what is the difference with the Colt selector..


    Thanks

  10. #20
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    Quote Originally Posted by irocracer89 View Post
    Thanks for the suggestion, I will look into the Colt selector. I removed the selector to test the trigger, it still will not operate the second stage. I put a DM my friends DPMS 20 inch bull also it may need the Colt remedy as well. It is the same acts like a single stage trigger. We have had other things to do and not been able to get some range time.. Also I have no thoughts of modifying the trigger, it is a nice piece..
    So you installed 2 different triggers in 2 guns and neither of them work correctly?

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