Axelson Tactical was founded in honor of the memory of Matt Axelson, a SEAL who was killed in the line of duty.  The fact that I’m starting the review process of the ROC Competition muzzle brake the day after Memorial day is not lost on me.  Now that the day dedicated to the memory of our fallen warriors is over, it’s time to get back to the business of living.  In this case, that means testing out the ROC brake and seeing how it performs.

First lets look at the tech specs, as provided on Axelson Tactical’s website.

  • Made from 4140 steel
  • Black Nitride finish
  • 10 tunable ports
  • Facilitates fast, flat shooting
  • Rounded, snag-free profile
  • Extreme recoil reduction
  • Concussion reduction
  • Muzzle rise elimination
  • 16 ports total for superior performance
  • Legal for USPSA Multi-Gun Limited Division/3-Gun Tactical Classes
Axelson Tactical ROC Competition Muzzle Brake | Review
Axelson ROC with all ports open

The version I received for testing and evaluation was the 7.62 variant, which comes in at 3.4oz and 2.25″.  Installation is easy, with my version threading onto the 5/8×24 end of the barrel and tightening down onto the included crush washer.  A dot of loc-tite secures the assembly.  I put the brake on a notoriously (and unexpectedly) hard recoiling Ar-10 in .308.  One installation note: the allen screws that plug the tunable ports, bottom out before entering the bullet’s travel channel, preventing the user from screwing them in too far.  I thought that was a nice touch, keeping Pvt. Murphy at bay.

The considerations for performance in a muzzle brake are (in no particular order)