3-Port On-Target Muzzle Brake - 5.56

Old Testament Firearms
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The Old Testament Firearms 3-Port "On-Target" Competition Muzzle Brake significantly reduces felt recoil and muzzle rise to keep your rifle "On-Target" for follow up shots! Precision machined in a single operation, the OT Comp features three uniquely sized flat faced ports that directs gasses out to the side reducing the felt recoil while the eight vertical gas ports eliminate muzzle rise. 

The fit and finish on our 3-Port OT Competion Muzzle Brake is second to none. They are nitride coated for increased hardness and a deep black finish that looks fantastic.

Bottom Line: You could spend over $100 on other brands or you could spend a 1/3 of the big name prices without sacrificing performance OR quality.


  • 3-Port On-Target Competion Muzzle Brake
  • 1/2x28 Crush Washer
  • OTF Sticker

OPTIONAL (Must Select From Drop Down Menu Above):

  • Black Oxide 1/2x28 Muzzle Device Shim Set



  • Full-Auto Rated (10" Barrel or longer!)
  • 1/2-28 Threaded
  • 2.5 ounces
  • 2.37" Overall Length
  • .285" Inside Diameter Bore
  • 4140 Steel
  • Nitride Coating
  • Limited Lifetime Warranty
  • Made In The USA