Fortis Manufacturing AR-15 9mm Muzzle Brake 2-Port 1/2x36 Black

Fortis Manufacturing, Inc.
MPN:
9MM-MB-BLK-36
UPC:
855476008506
$66.45
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The Fortis Manufacturing AR-15 9mm Muzzle Brake is a precision-machined, American-made muzzle device engineered to virtually eliminate muzzle rise and keep your 9mm AR-15 or PCC on target through every round fired.

  • Two-port design aggressively redirects gas to reduce muzzle rise and felt recoil
  • Machined from 4140 steel for superior durability and long-term reliability
  • Nitride coating provides excellent corrosion resistance and a sleek matte finish
  • Threaded 1/2x36 to fit standard 9mm AR-15 and pistol caliber carbine barrels
  • Includes crush washer for proper timing and a secure, no-fuss installation
  • Proudly designed and manufactured in the USA to Fortis's exacting standards

Who This Is For

This muzzle brake is built for competitive shooters, PCC enthusiasts, and serious AR-15 owners running 9mm builds who demand faster follow-up shots and tighter groupings. Whether you're on the clock at a USPSA match or putting rounds downrange at the range, the Fortis 9mm Muzzle Brake gives you the muzzle control to stay accurate and shoot faster — without sacrificing the premium aesthetics your build deserves.

Fortis Manufacturing AR-15 9mm 2-Port Muzzle Brake in Black, 1/2x36 thread pitch

Specifications

BrandFortis Manufacturing, Inc.
Model9mm 2-Port Muzzle Brake
Caliber9mm
Thread Pitch1/2x36
Port Configuration2-Port
Material4140 Steel
FinishNitride (Black)
IncludesCrush Washer
Country of OriginUSA
Compatible PlatformAR-15 / Pistol Caliber Carbine (PCC)

Frequently Asked Questions

Will this muzzle brake fit my 9mm AR-15 or pistol caliber carbine?

Yes — this Fortis muzzle brake is threaded 1/2x36, which is the standard thread pitch for 9mm AR-15 barrels and most pistol caliber carbines chambered in 9mm. Always verify your barrel's thread pitch before ordering. It is not compatible with 1/2x28 (the common .223/5.56 thread pitch) or other thread patterns.

How noticeable is the recoil and muzzle rise reduction compared to a bare muzzle or A2 birdcage?

The two-port design vents propellant gases upward and to the sides, providing a significant reduction in muzzle rise compared to a bare muzzle or standard flash hider. Most shooters report dramatically flatter shooting and faster target reacquisition, making it especially beneficial for high-volume or competitive shooting. Note that, like all muzzle brakes, it will increase perceived concussion and noise to the sides of the muzzle.

Does installation require any special tools or timing?

Installation is straightforward. Thread the included crush washer onto your barrel, then hand-thread the muzzle brake and torque it to the manufacturer's recommended specification (typically 15–20 ft-lbs for muzzle devices). The crush washer allows for proper timing alignment. A muzzle device wrench or vise block is recommended for secure installation. No permanent modifications are required.

Caliber:
9MM
Finish:
BLACK
Thread Pitch:
1/2X36
Type:
MUZZLE BRAKE