This 3-port muzzle brake is compatible with all SilencerCo ASR Mounts and with multiple thread and caliber options, you can shoot suppressed for any demand. It offers quick and easy one-hand-on, one-hand-off attachment and detachment. The 3-port design effectively reduces felt recoil and muzzle climb. Each ASR muzzle brake comes with a shim set and rocksett for easy application.

The ASR mounting system comes standard with the Omega 300, Chimera 300, Hybrid 46M, Omega 36M and Saker ASR series. It’s also compatible with Hybrid 46, Harvester Series, Octane Series, and Omega K Series. See the size chart below to find the correct ASR Mount for your silencer.

ASR Mounts:
Alpha: Harvester 300 and Omega K Series, Octane Series
Bravo: Harvester EVO, Hybrid 46, Harvester 338, and Omega 300
Charlie: Saker ASR Series, Chimera 300, Omega 36M, and Hybrid 46M

Available Variations: 

Caliber: Thread Pitch (SKU #)

.223 cal / 5.56mm: 1/2 x 28 (AC142)

6.5mm: 1/2 x 28 (AC4753)

6.5mm: 5/8 x 24 (AC4752)

.30 cal / 7.62mm: 1/2 x 28 (AC1282)

.30 cal / 7.62mm: 5/8 x 24 (AC591)

.30 cal / 7.62mm: 9/16 x 24 RH (AC1276)

.355 /9mm: 9/16 x 24 (AC4766)

.338 cal: 5/8 x 24 (AC857)

.338 cal: 3/4 x 24  (AC858)

.338 cal : M18X1 (AC856)

.338 cal: M18X1.5 (AC855)

.458 cal: 3/4 x 24 (AC2631)

.458 cal: 5/8 x 24 (AC1733)

.458 cal: 5/8 x 32 (AC1557)

.458 cal: 11/16 x 24 (AC1961)

*AC4753 and AC4752 are being discontinued and there is limited stock available. 


Additional information

Weight N/A
Thread Pitch

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