Bobcat MP5 clone - Navy Style trigger group on the way- SHIM?
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Thread: Bobcat MP5 clone - Navy Style trigger group on the way- SHIM?

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    Default Bobcat MP5 clone - Navy Style trigger group on the way- SHIM?

    Will the new trigger group from HK parts be the answer to get my Bobcat running 100% and stop the FTE. If not, I'll guess I'll keep swapping out parts till this sucker runs.

    My Question: I've seen several posts where people talk about shimming the trigger pack. Would someone help me out by writing something descriptive or pictures on how this is done for the clipped and pinned?

    Swapped out parts to date:
    Unidentified Bolt with a used HK bolt
    Undentified locking piece with a used HK locking piece

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    Did you replace the bolt and bolt head?

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    The german ejector in rhe hkparts trigger group might be part of the solution.

    Is the extractor/extractor spring in good shape on the current bolt head?

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    Quote Originally Posted by offrdmania View Post
    Did you replace the bolt and bolt head?


    Yes, replaced with all current HK.

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    Quote Originally Posted by kbinmt View Post
    The german ejector in rhe hkparts trigger group might be part of the solution.

    Is the extractor/extractor spring in good shape on the current bolt head?

    Yes, extractor & spring are new in the HK bolt. I'm hoping the German eject or lever is also part of the solution like you mention.

    I'm still very concerned about the mating up of the new trigger pack and potential shim.

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    Shim? Not sure I understand

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    Quote Originally Posted by offrdmania View Post
    Shim? Not sure I understand
    I researched several articles and a few posts talk about shimming the trigger pack To get these bobcat clones to run right. I'm not sure I follow either why I was hoping for pictures. They say a picture is worth a thousand words - LOL

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    seems to me that any shimming of the trigger pack would keep the selector from fitting. I guess maybe you would have to ream out the selector hole a bit or something as well?

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    There have been times when the trigger group sits to low due to an incorrect shelf height. Sometimes you can add a shim to the top of shelf to move the front of the housing up. In most cases it is a housing that has been cut to high allowing the front of the trigger group to be to low which hampers the effectiveness of the ejector. Replacing the whole trigger group can solve this issue. In my case a newest model ejector lever and a new ambi lower and pack made my SW5 run flawlessly.

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    I had to use a very thin piece of pliable metal to get one of my Coharie's to run. I placed it inside my lower housing at the front. It raised my registered trigger housing enough that she purrs full auto. Once confirmed I used super glue to hold it in place.

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