About the SilencerCo ASR Muzzle Brake
The ASR Muzzle Brake is a three-port brake that tames recoil and muzzle climb on .338 Lapua rifles. It also serves as the host for SilencerCo’s quick-attach ASR Mount. Mates with the ASR Mount: Alpha (Omega K, Spectre), Bravo (Scythe, Omega 300 DTM, Hybrid 46 DTM), Charlie (Velos LBP, Omega 36M, Hybrid 46M).
Key Features
- 3-port design redirects gas to counter recoil
- Reduces muzzle climb
- Accepts the ASR Mount for quick-attach suppressor use
- Ships with shim set for installation
Specifications
| Manufacturer | SilencerCo |
|---|---|
| Part Number | AC857 |
| Type | Muzzle Brake |
| Caliber | .338 Lapua |
| Thread | 5/8×24 |
| Finish | Black Nitride |
| Color | Black |
| Mount System | ASR |
| Compatibility | Harvester Big Bore |
FAQ
What does it fit?
Harvester Big Bore. Confirm your thread pitch and model before ordering.
What’s included?
Shim set
Where can I buy it?
Order online from Black Bayou Armory or visit our store in Benton, Louisiana.






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