Suppressor Thread Adapters to 5/8x24

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These suppressor thread adapters allow you to convert AK-47 style 14x1mm LH and HK style 15x1mm RH threaded muzzles to receive 5/8x24 threaded accessories. These surplus rifle threads require a muzzle face index for perpendicularity, making them incompatible with muzzle devices that require timing.

The use of these adapters converts these threads to conventional threads with thread shoulders, allowing common muzzle devices to be mounted with timing shims. Provided 3/4" wrench flats permit proper installation torque to be achieved.

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3 Reviews

  • 4
    Performed as advertised.

    Published by D from east of Dallas, TX on 11th Aug 2019

    I waited to review this until after use. Product arrived on time, as advertised, and packaged securely. I used it on a Yugoslavian M72 parts kit with a Green Mountain brand, US barrel, and a Silencerco Hybrid silencer. No issues, 4 stars because $60 is a lot for a small piece of metal- BUT.. It worked and I didn't have any hassle from it not being correct and testing customer service. Also... In the product purchase comments I asked for extra stickers and they did give me two sheets of stickers.

  • 5

    Published by jeff schulze on 5th Mar 2019

    Came in a timely fashion. Worked perfectly and seems very heavy duty. Perfect....

  • 5
    Simple part, but high quality machining & finish.

    Published by Daniel Pepper on 13th Sep 2018

    This is going on a PTR-91 Century C93 Sporter to adapt a Hammer Comp Taper mount and Recce-7. Haven't mounted it on the rifle yet, but I'm confident of fit & function based on experience with many other Griffin accessories. Looking fwd to shooting a suppressed roller lock with this set-up.

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