M11-SPR Severe-Duty® Muzzle Brake

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- Accu-Washer™ Muzzle Alignment System recommended for installation
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The M11-SPR (Special Purpose Rifle) is a compact lightweight version of the M11 designed specifically for high precision AR-15 rifles and long range hunting rifles. A large symmetrical blast baffle along with compensated forward baffles provide unprecedented muzzle control and recoil management while minimizing induced bullet yaw for improved long range accuracy. Computer FEA optimized for maximum strength to weight ratio and precision machined from heat treated stainless steel for superior durability. Features wrench flats for easy installation and removal. Available in Ionbond® matte black, or stainless steel in-the-white (satin grey).

Material: HTSR 416 stainless steel
Length: 2.225"
Height: 0.990"
Width: 1.125"
Dia. at Barrel 0.750"
Weight: 3.3oz


Fits .223/5.56mm rifles with 1/2-28 muzzle threads (Factory bored for .223 Caliber but may be enlarged up to .338 Caliber by a qualified gunsmith).


M11 SPR muzzle brake with Magpul bipod and Accu-Washer Shim

Top ports vent gases upward for muzzle rise mitigation


M11 SPR with Magpul bipod

Deep, recessed crown protects exit aperture from impact damage


M11 SPR with Accu-Washer Shim on FN SCAR

Digressing baffle thickness reduces baffle/projectile interaction


M11 SPR with Accu-Washer Shim on FN SCAR

Perfect bore alignment by machining brake threads in the same operation as bore aperture





For full specifications, installation manuals, and more - visit our Technical Resources page: