MPN: K358


  • Designed for minimal weight, minimal added length and maximum performance
  • Minimize muzzle rise and recoil
  • Made with USA sourced hardened steel for durability
  • Comes with a thread adapter
  • No linear baffles
  • Eight gas ports to mitigate muzzle rise (No timing is necessary)
  • Full-Auto rated
  • Designed and made in the U.S.A.


  • Caliber: 9MM
  • Material: Hardened Alloy Steel
  • Finish: Mil-Spec Black
  • Weight: 2.68 oz.
  • Length (with thread adapter): 2.105"
  • Outer Diameter: 0.938"
  • Thread: 1/2"-28 TPI


  • 9mm carbine barrel with 1/2"-28 thread pitch


Some purists turn up their noses when the 9mm comes up in competition. The truth is that the 9mm has earned its stripes as a PDW as well as at the range. So, if you’re one of the rebels that run this round, good for you. You should get your hands around that 9mm and have a ball with it. Just take that extra step to get the most fun you can from this little cartridge. That step is adding a 9mm muzzle brake.

One Device, No Waiting

The Rex Silentium compact tactical 9mm muzzle brake packs a lot of punch into a small package. Whether your game is three-gun competition, CQB, or you just want a PDW. The rules allow a muzzle brake. This little rascal comes in at less than three ounces. You won't even notice that it's there until you shoot. The Rex Silentium presents less than one inch for its outer dimension. This small size means you can tuck it inside any rail that you want. However, it's so stunning you're going to want to let at least a little of it show.

Ready To Rock And Roll

Is there any chance that your future may have a full-auto in it? If there’s the slightest chance, then you want a 9mm muzzle brake that can handle the job. The compact Rex Silentium is made from solid, hardened steel and comes full-auto rated. If your goal is to mitigate muzzle rise and recoil, you want something like this brake in your arsenal. You can forget about those temporary paperweights on the market. The Rex carries an absolute lifetime guarantee against defects in material or workmanship. Get Rex and be ready for anything that comes your way.

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