• Minimalist design for wide usage not limited to USPSA, 3-Gun, SOF, CQB
  • Normal baffles for maximum brake performance
  • No bottom ports
  • Top gas ports to mitigate muzzle rise (can be clocked to mitigate torque as well)
  • Designed and made in the U.S.A.

*Muzzle Timing Device sold separately.


  • Caliber: 5.56 NATO / .223 Rem.
  • Material: Hardened steel
  • Finish: Mil-spec black finish
  • Weight: 2.9 oz.
  • Length: 1.7"
  • Outer Diameter: 1"
  • Thread: 1/2"-28


  • .223/5.56 barrel with 1/2"-28 thread pitch


When you want a muzzle device for your AR-15 that is small in stature and offers the outstanding performance of a much larger brake, the Custom Muzzle Brakes S-Type is the brake for you. It doesn’t matter whether you are competing in SOF, USPSA, or 3-Gun shooter or you rely on your equipment for true tactical performance under fire, the Rex Silentium S-Type Muzzle Brake won’t let you down no matter the conditions.

This AR-15 S-Type Muzzle Brake is designed for outstanding brake performance. It features full-size baffles and vertical gas ports to effectively handle both recoil and muzzle rise effectively. If you’re concerned with twisting forces on firing, the S-Type Muzzle Brake can be timed to manage torque as well. When firing from a prone position, there is no dust printing to deal with because the Rex Silentium S-Type Muzzle Break features a solid six-o’clock.

The S-Type Muzzle brake is available in a variety of sizes to fit your rifle of choice. The Rex Silentium S-Type that fits the AR-15 (.224 and smaller bores) features ½-inch - 28 threads. Like all of Rex Silentium fine rifle brakes, each piece is designed and machined in America using the know-how of American craftsmen and hardened American made steel. Its small stature and black Mil-Spec finish keep the S-Type flying under the radar. You’ll never have to worry about refocusing on a lost target, your aim will remain rock steady and your new best friend at the range will never tell.

Choose the Rex Silentium S-Type AR-15 Muzzle Brake and be confident in every shot.

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Reviews (2)

  • A great brake

    Posted by Bob on 4th Nov 2020

    I first bought one of these to give it a try and now I own several. This brake takes all the rise and recoil out of 5.56 without having to worry about adjustable gas blocks and such. It's much easier to stay on target for follow up shots and makes it a lot more fun when you are taking new shooters out. As with any muzzle brake, it is louder. However, I wear standard hearing protection and it's not an issue at all. I even put one on my daughters 6.5 Grendel hunting rifle and she loves it. It's well built and I don't think that you can find a better brake for twice the money.

  • A great brake for ~$30?

    Posted by Unknown on 18th Apr 2017

    The answer is yes. This thing looks and performs great. Has held up very well so far, paint is durable, no scratches yet. This is a brake so yes it is loud - it was a little quieter than a lantec dragon. The recoil was pretty low. You'd be hard pressed to find a better deal on a brake than this.

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