3 Port Outside Thread Muzzle Brake

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Note: For the BLEM Castle Blast Shield option, the blemishes are small scratches on the inside of  the blast shield. They are from removing supports during the annodizing process, they are not a used item.

Breek Arms offers a low cost option to competitive muzzle brake designs used for increasing muzzle control as well as adding a custom design to your platform. The combination of ports and holes helps disperse gases up, left and right to reduce the level of muzzle climb and felt recoil. Also, the included outside thread allows you to quickly detach your own blast shield or suppressor.

  • Design: 3 Port OT Muzzle Brake (outside thread) 
  • Outside Thread: 13/16" x 16 TPI
  • Material: 4140 Steel Nitrided
  • Comes with 1 Crush Washer & 1 Lock Washer
  • Overall length: 2.26"
  • Front end width: 0.71"
  • Length from front end to the stop: 1.96"


  • Cal: 223/556; Thread: 1/2x28; Weight: 2.3 oz (weights include 1 crush washer)
  • Cal: 308; Thread: 5/8x24; Weight: 1.8 oz
  • Cal: 9mm; Thread: 1/2x28; Weight: 2.0 oz
  • Cal: 308; Thread: M14x1LH

1 Review Hide Reviews Show Reviews

  • 5
    Awesome muzzle brake

    Posted by Rhoniel on Mar 25th 2020

    Nice looking and functional muzzle brake with smooth black nitride finish. Looks so badass with Castle Blast Shield. I love it so much that I own 2! Keep up the good work Breek Arms!

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