ASR 3 Port Muzzle Brake in .458 Bore for 5/8x32 Threaded Barrel by SilencerCo

Take control of powerful big-bore platforms with the ASR 3 Port Muzzle Brake in .458 Bore for 5/8x32 threaded barrels by SilencerCo. Engineered to manage the intense recoil and muzzle rise of large-caliber rifles, this precision-machined muzzle brake delivers superior stability while serving as a secure mounting interface for ASR-compatible suppressors.

Built for hard-hitting cartridges such as .458 SOCOM and similar big-bore calibers, this rugged 3-port brake enhances shooter control, speeds up follow-up shots, and maintains reliable suppressor alignment.

Key Features and Benefits

ASR Mount Compatibility
Fully compatible with SilencerCo’s Active Spring Retention (ASR) mounting system, enabling fast, repeatable suppressor attachment and removal with secure lockup.

.458 Bore Optimization
Designed specifically for .458 caliber projectiles, ensuring safe clearance and proper gas redirection for maximum efficiency.

Three-Port Recoil Reduction System
Advanced 3-port configuration redirects high-pressure gases to significantly reduce felt recoil and muzzle climb on heavy-caliber rifles.

5/8x32 Thread Pattern
Precision-cut 5/8x32 threads provide secure attachment to compatible big-bore barrels, ensuring reliable installation and concentric alignment.

Dual-Function Design
Operates as both a high-performance muzzle brake and a suppressor mount, eliminating the need to swap muzzle devices between shooting configurations.

Heat-Treated Steel Construction
Manufactured from high-strength, heat-treated steel to withstand the extreme pressure and heat generated by large-caliber cartridges.

Corrosion-Resistant Finish
Durable protective coating resists carbon buildup, moisture, and environmental wear for long-term field performance.

Product Specifications

Product Name: SilencerCo ASR 3 Port Muzzle Brake
Bore Diameter: .458 Caliber
Thread Pitch: 5/8x32
Mount Compatibility: SilencerCo ASR System
Material: Heat-Treated Steel
Finish: Corrosion-Resistant Coating
Caliber Compatibility: .458 SOCOM and other compatible .458 caliber platforms
Port Configuration: 3-Port Design
Application: Muzzle Brake and Suppressor Mount
Manufacturer: SilencerCo

Performance Advantages

The .458-caliber 3-port brake is engineered to tame the substantial recoil impulse generated by big-bore rifles. By effectively redirecting expanding gases, it reduces muzzle rise and enhances stability, allowing shooters to maintain sight picture and improve shot-to-shot recovery.

When paired with an ASR-compatible suppressor, the integrated mounting interface ensures consistent alignment and secure retention. This promotes accuracy retention, dependable suppressor performance, and confidence under demanding conditions.

Its robust steel construction ensures durability for high-round-count sessions, hunting applications, and heavy-duty use.

Installation Instructions

Ensure the firearm is unloaded and safe before installation. Thread the muzzle brake onto a compatible 5/8x32 barrel and tighten according to manufacturer torque specifications. Proper timing may be required for optimal port orientation. Verify secure fit and alignment prior to firing.

When attaching an ASR-compatible suppressor, follow all manufacturer guidelines and confirm proper lockup before use. Periodically inspect for tightness and carbon buildup.

Warranty Information

Manufactured to strict quality control standards, the ASR 3 Port Muzzle Brake in .458 Bore for 5/8x32 Threaded Barrel is built for long-term durability and dependable performance. Refer to SilencerCo for complete warranty coverage and service support.

Equip your big-bore rifle with a suppressor-ready muzzle brake designed to deliver maximum recoil control, secure ASR compatibility, and uncompromising strength for serious shooting applications.