MPN: MB35 / MB40 / MB45


  • Compatible with Stormlake, Lonewolf and other threaded pistol barrels
  • Low-profile - does not obstruct sight alignment
  • Optimized baffles for maximum performance and low noise from shooters position
  • No dust printing shooting from prone position
  • DELTA port on the top - further reduce muzzle rise
  • Designed and made in the U.S.A.
  • Set screw and wrench included


  • Caliber: 9mm / .40 cal. / .45 cal.
  • Material: Black Hardened steel
  • Finish: Mil-Spec Black
  • Weight:
    • 9mm: 2.4 oz.
    • .40 cal.: 2.15 oz.
    • .45 cal.: 2.1 oz.
  • Length: 1.5"
  • Outer Diameter: 0.95"
  • Thread:
    • 9mm: 1/2"-28
    • .40 cal.: 9/16"-24
    • .45 cal.: .578"-28


  • Most 9mm, .40 S&W, and .45 cal pistols.
    • 9mm barrel with 1/2"-28 thread pitch
    • .40 S&W barrel with 9/16"-24 thread pitch
    • .45 cal barrel with .578"-28 thread pitch

*Due to the added weight to the barrel and recoil reduction, it might require using a lighter (than factory) spring rate recoil spring on some semi-auto pistols.


  • 1x TriDelta Tactical Pistol Muzzle Brake
  • 1x Set Screw
  • 1x Allen Wrench


If you want a 9mm muzzle brake for your sidearm you could buy one from just about any manufacturer who offers pistol muzzle brakes, but do you really want to? When it comes down to it do you want to buy your muzzle device from someone who makes a little of everything, or would you do better to buy from a manufacturer who specialized in the manufacture of quality muzzle devices? When you’re in the market for a quality 9mm muzzle brake as well as other pistol calibers, choose the Rex Silentium TriDelta Tactical Pistol Muzzle Brake and you’ll never regret the purchase.

Rex Silentium offers their pistol muzzle brakes with either standard or metric mounting threads so that you can apply one to almost any manufacturer’s handgun without a lot of preamble. The Rex Silentium TriDelta Pistol Muzzle Brake will not interfere with the use of sights. The TriDelta brake was carefully designed, not only is muzzle blast and recoil managed, but the brake has no six-o’clock pots so dust printing is not an issue when shooting with these brakes in prone position.

While many of today’s muzzle brakes claim to master recoil forces, the Custom Muzzle Brakes TriDelta pistol muzzle brake uses the proven TriDelta baffle design to direct concussion forces and muzzle blast away from the operator. With a TriDelta pistol muzzle brake installed you’ll have better control of your weapon for better accuracy. Muzzle rise and recoil become more manageable and you’ll waste less time on target acquisition. That means your follow-up shots will be faster and more accurate than those of your competitors who use inferior 9mm muzzle brakes or go without a muzzle device. You’ll be faster and more accurate than the competition before you even start shooting.

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Reviews (6)

  • Awesome muzzle brake for my pistol!

    Posted by Murphy on 12th Jul 2018

    Just received it in the mail 4 days after ordering it which was great. I absolutely love this thing! Nice "made in usa" stamped on the bottom which is almost my favorite part of the brake! Looks perfect and am as impressed with its function as I am with its look and stance. Perfect lines that don't get in the way of the sights and just the right amout of detailing thruought. It gives my compact pistol the option of functioning like a full size whilst looking sweet!

  • 45 Super - Excellent Comp

    Posted by Unknown on 23rd Apr 2018

    I purchased this to run on my FNX 45 Tactical to run 45 Super in it. It performed as expected. Great recoil reduction; even on the hottest Underwood loads. Provided reduced muzzle rise. I'm enjoying it. The reason for 4 stars is that when I run factory ball ammo I have to remove the comp or the gun won't cycle due to the reduction in recoil and slide speed. It's easy enough to remove with a single set screw. I just would have liked the ability to purchase one with smaller side ports to afford reduced muzzle flip and recoil but maintain the capability to run ball ammo. In the end this is a minor issue. I have it mounted and think it's fantastic. Highly recommended for +P and 45 Super loads.

  • .40 Sub 2000

    Posted by Unknown on 1st Apr 2018

    Nice device, all but eliminates moderate recoil in this pistol caliber carbine. Well made, looks great and does not interfere with folding of the carbine.

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