Silencer Co ASR Muzzle Brake | 5/8×24 | AC857

The ASR Muzzle Brake from Silencer Co is a 3‑port muzzle device designed for use with SilencerCo’s ASR mounting system. It is manufactured from steel and finished in black, and is offered in the 5/8×24 thread pattern for .338 applications. The ASR design allows one‑hand attachment and detachment when used with compatible ASR mounts.

Its three‑port layout reduces felt recoil and muzzle climb on large‑bore rifles and is intended for precision and long‑range shooting or big‑bore field use where controlled recoil and fast follow‑up shots are priorities.

Product Specifications

• The manufacturer is Silencer Co.
• The model is ASR.
• The manufacturer part number is AC857.
• The finish is Black.
• The material is Steel.
• The thread pattern is 5/8×24.
• The product type is Muzzle Brake.
• The caliber listed is 338 Cal.
• The listed fit is Harvester 338.
• The product includes shim set and Rocksett for application and timing.
• Compatibility is SilencerCo ASR mounts and select ASR-series silencers (per manufacturer compatibility).
• The UPC is 817272011838.
• The weight is 0.25 (value as provided).
• The length is 2.4 (value as provided).
• The width is 1.2 and the height is 1.2 (values as provided).

Purpose-built for ASR-equipped rifles, this muzzle brake provides predictable recoil management and straightforward one‑handed mounting when used with compatible SilencerCo ASR components. Its robust steel construction and supplied installation hardware make it a practical choice for large‑bore shooting setups where reliable attachment and recoil control are required.

Related Videos: