RRD-2C X37

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The X series muzzle brakes combine our effective RRD muzzle brakes and a direct thread mount for several popular suppressors as well as our BDS-37 blast shield! This allows you to leave the muzzle device installed and simply thread the suppressor over! Reduces weight, length and cost compared to QD systems. Direct thread is also the prefer mounting method for accuracy!

The X37 has 1.375”-24 threads on the outside and is available in multiple barrel thread pitches.

The 14-1lh, and 24-1.5 use the same “facemount” technology that the DeadAir Wolverine uses to help with thread issues.*


  • 17-4ph stainless
  • Black Nitride
  • 1.375”-24 threads


JMac Customs recommends having a professional install this product to ensure it is properly mounted and aligned. Do NOT shoot without checking alignment with bore rods. JMac Customs is not responsible for any damage to the suppressor, or any injury resulting from improper installation. Some firearms are NOT suitable suppressor host, just because you can thread this muzzle device on doesn’t mean it is safe to use.

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