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Using a .22 conversion with a suppressor

Discussion in 'NFA Firearms and Accessories' started by Superpsy, Mar 1, 2014.

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  1. Superpsy

    Superpsy Member

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    I purchased a suppressor recently, of course it won't be mine for quite a while, but I have been thinking about hosts. It's a silencerco sparrow and I was planning on using a 10/22 and an m&p 22. Then I had what I think was a brain wave. Is there any reason why I couldn't put my cmmg conversion in my AR, take the flash hider off and screw on the sparrow?

    I figured the brain trust here could help me out. Am I missing something?
     
  2. GarySTL

    GarySTL Member

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    If it threads on it should work. I have a. 223 suppressor for my ARs and use it with both a dedicated. 22lr upper and a CMMG conversion unit.
     
  3. rjrivero

    rjrivero Member

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    The thread length is going to be the concern.

    The AR threads are the same pitch as the .22 "standard" 1/2 x 28.

    However, the length of the threads on the AR generally are .600 long where the .22 threads are .400 long.

    Generally, you would use a spacer to take up that .20 Inches so you don't end up pushing the muzzle up against the blast baffle, causing erosion, or sometimes damage to the baffle with the muzzle running into them inside the can.
     
  4. Superpsy

    Superpsy Member

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    Thanks!
     
  5. Superpsy

    Superpsy Member

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  6. Arizona_Mike

    Arizona_Mike Member

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    I would not consider using a conversion unless I has a 1:9 twist or slower. Minute of pie-plate accuracy from a .22 conversion in a 1:7 AR is the best counter example to the "overstabalization does not matter at short range" argument :D

    Mike
     
  7. DoubleTapDrew

    DoubleTapDrew Member

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    I've run a .22lr can on my 10/22, AR-15 with CMMG conversion, ceiner 1911 .22lr conversion, walther p22, they all were fine.
    I didn't think about the thread length though. I'll have to get one of those adapters for the AR.
     
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