• 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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