SilencerCo ASR AR-10 Muzzle Brake .338 Cal 5/8x24 Black

SilencerCo
MPN:
AC857
UPC:
817272011838
$79.90
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The SilencerCo ASR AR-10 Muzzle Brake in .338 Cal with a 5/8x24 thread pitch is a precision-engineered muzzle device designed to tame the punishing recoil of large-caliber AR-10 platforms while providing seamless compatibility with the entire SilencerCo ASR suppressor mount ecosystem.

  • Three-port design significantly reduces felt recoil and muzzle rise on .338 caliber rifles
  • Fully compatible with all SilencerCo ASR mounts for fast suppressor transitions
  • One-hand attachment and detachment makes going suppressed effortlessly quick
  • 5/8x24 thread pitch fits a wide range of AR-10 and large-frame rifle barrels
  • Includes shim set and Rocksett adhesive for secure, precise installation
  • Durable black finish built to withstand high-volume shooting and harsh conditions

Who This Is For

This muzzle brake is ideal for serious AR-10 shooters, precision long-range competitors, and hunters running .338 caliber rifles who demand reliable recoil management and want the flexibility to run a SilencerCo suppressor without swapping muzzle devices. It's a natural fit for anyone already invested in the SilencerCo ASR ecosystem or planning to build around it.

SilencerCo ASR AR-10 Muzzle Brake .338 Cal 5/8x24 Black

Specifications

BrandSilencerCo
ModelASR Muzzle Brake
Caliber.338 Caliber
Thread Pitch5/8x24
Port Design3-Port
FinishBlack
Mount CompatibilityAll SilencerCo ASR Mounts
IncludesShim Set, Rocksett Adhesive
PlatformAR-10 / Large-Frame Rifles

Frequently Asked Questions

Which SilencerCo suppressors are compatible with this ASR muzzle brake?

This muzzle brake is compatible with all SilencerCo suppressors that use the ASR (Active Spring Retention) mount system, including popular models like the Omega 300, Hybrid 46, and Harvester series. The ASR system provides a rock-solid, repeatable lockup, ensuring your suppressor stays secure under hard use and point-of-impact shift is minimized.

Do I need any special tools to install this muzzle brake?

Installation requires a barrel wrench or appropriate armorer's tool to torque the brake onto your 5/8x24 threaded barrel. The included shim set allows you to time the brake precisely so the ports align correctly, and the included Rocksett adhesive locks everything in place securely while still allowing removal when needed. No proprietary tools are required beyond standard AR-10 armorer equipment.

Can I use this muzzle brake without a suppressor just as a standalone recoil reducer?

Absolutely. The three-port design is highly effective at reducing felt recoil and muzzle climb on its own, making it a worthwhile upgrade even if you don't currently own a SilencerCo suppressor. Many shooters use it as a standalone brake and later add the compatible ASR-mount suppressor when ready, making it a smart long-term investment for your .338 caliber build.

Caliber:
.338 CAL
Finish:
BLACK
Thread Pitch:
5/8X24
Type:
MUZZLE BRAKE