SilencerCo AC5231 Thread Over Muzzle Brake 1/2x28 .223/5.56

The SilencerCo AC5231 Thread Over Muzzle Brake transforms standard rifles into suppressor-ready platforms without permanent modifications. This innovative design threads directly over existing muzzle devices, providing instant compatibility with SilencerCo suppressors while maintaining the original brake's recoil reduction benefits.

What Makes This Different

Unlike traditional direct-thread suppressors that require removing existing muzzle devices, the AC5231 threads over compatible brakes and flash hiders. This dual-purpose approach preserves the host weapon's original configuration while adding suppressor mounting capability. The system maintains proper barrel harmonics and zero retention through precision manufacturing tolerances.

Key Features

• 1/2x28 threading compatible with .223/5.56 NATO barrels
• Thread-over design preserves existing muzzle device functionality
• Heat-treated stainless steel construction for extended service life
• Compatible with SilencerCo Omega and Hybrid suppressor systems
• Precision-machined threads ensure proper suppressor alignment
• Reduces installation time compared to direct-thread systems
• Maintains original weapon balance and handling characteristics

Field testing demonstrates consistent point of impact retention when transitioning between suppressed and unsuppressed configurations. The AC5231 handles rapid-fire strings without loosening, maintaining secure suppressor attachment through extended shooting sessions. Competition shooters appreciate the quick transition capability, while tactical users benefit from the reduced signature without sacrificing muzzle device performance.

Technical Specs

• Thread pitch: 1/2x28 TPI
• Material: 17-4 PH stainless steel
• Finish: Black nitride coating
• Compatible calibers: .223 Remington, 5.56 NATO
• Suppressor compatibility: SilencerCo Omega series, Hybrid
• Installation: Hand-tight with thread locker recommended
• Country of origin: United States
• Manufacturer warranty: Limited lifetime

The AC5231 represents practical engineering focused on user needs rather than marketing gimmicks. Professional armorers stock this adapter for clients requiring suppressor capability without permanent weapon modifications. The stainless steel construction and precision manufacturing justify the investment for serious shooters.