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PTR-91 muzzlebrake

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  • RP1911
    Calguns Addict
    • Sep 2007
    • 5197

    PTR-91 muzzlebrake

    If the serial number starts with AW, what is the thread pitch?

    Tried calling and emailing PTR but they are backlogged on calls and emails.

    TIA
    RP1911
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    NRA Life
    CGN
  • #2
    hitdank
    Member
    • Dec 2013
    • 366

    15x1

    Comment

    • #3
      Regular guy
      Senior Member
      • Oct 2011
      • 691

      Originally posted by hitdank
      15x1
      Yes^

      Comment

      • #4
        elcajon
        Member
        • Nov 2009
        • 426

        I put on a regular thread pitch for 7.62 x 51

        Comment

        • #5
          RP1911
          Calguns Addict
          • Sep 2007
          • 5197

          Thank you for the responses.

          I read that PTR had different barrels on some PTR91s that had different thread pitch.
          RP1911
          -----------
          NRA Life
          CGN

          Comment

          • #6
            1919_4_ME
            Veteran Member
            • Oct 2005
            • 2654

            They changed the thread pattern to the standard 5/8-24. If your gun has the updated newer paddle mag release then you have new thread pitch. No paddle mag, then you have the 15x1 thread.

            Comment

            • #7
              jmpeal
              Senior Member
              • Nov 2011
              • 1247

              Yes, I do not have the paddle mag release, so mine takes the 15x1 thread. Got the Manticore nightbrake and comes with a clip.

              Comment

              • #8
                RP1911
                Calguns Addict
                • Sep 2007
                • 5197

                I have the 15x1 thread pitch also. Ordered Manicore from www.robertrtg.com. Manicore does not have any currently. They have the 5/8-24.
                RP1911
                -----------
                NRA Life
                CGN

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