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YHM quick detach adapters, thread patters?

Discussion in 'NFA Firearms and Accessories' started by wally, Jun 9, 2011.

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  1. wally

    wally Member

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    I'm looking at getting a 7.62 YHM quick detach suppressor. I've heard getting the adapters from YHM can be problematic and their web site shows quite a few as "out of stock".

    My dealer seems to have a good supply so I'm looking for a "package deal" where I get the 7.62 suppressor and the six adapters I'd want:

    DPMS LR-308
    RRA LAR-8
    7.62x39 AR upper
    AK-47 (M14x1 LR threads, I believe)
    AR 5.56 (1/2"x28 RH, I assume) I want two of these.

    Could y'all inform me of the thread patterns I need for these rifles?
     
  2. DoubleTapDrew

    DoubleTapDrew Member

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    Pretty sure both those .308 guns are 5/8 x24 RH. Not sure what the 7.62x39 AR uppers use, possibly the same standard 5/8 x 24. The others you listed look right.
     
  3. wally

    wally Member

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    Figures the 5/8x24RH would be one of the ones out of stock.

    I won't buy the YHM can if I can't also get all the QD mounts at the same time.
     
  4. KingTiger

    KingTiger Member

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    My 7.62x39 Colt has 1/2x36 threads, not sure if the uppers use this pattern also.
     
  5. wally

    wally Member

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    I'd least the YHM web site lists this one as in stock. Look's like I'll have to remove my flash hiders and find some way to measure the threads.
     
  6. JustinJ

    JustinJ Member

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    Contact the manufacturers to verify. Check other places for their mounts than YH directly. I bought a 5.56 phantom flash hider for my MSAR from Ratworx that was about $25 less than from YH directly. If you mount a YH on a AK let us know how it works. I've heard they can have functioning issues with standard 7.62 cans.
     
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