SureFire SOCOM556-RC4 5.56 NATO Suppressor – Inconel Fast-Attach Rifle Silencer

SureFire SOCOM556-RC4 5.56 NATO Suppressor

The SureFire SOCOM556-RC4 represents the next generation of combat-proven suppressor technology. Built entirely from U.S. mill-certified Inconel superalloy, the RC4 is designed to withstand the extreme heat, pressure, and abuse associated with sustained semi-automatic and full-auto firing schedules.

Featuring SureFire's newly engineered S-Curve Gas Flow Geometry, the RC4 delivers approximately four times greater flash reduction than the previous RC3 while maintaining the low-back-pressure characteristics that have made the SOCOM suppressor line a favorite among professional end users worldwide.

The advanced internal flow path reduces back pressure by up to 60%, helping rifles run cleaner, cooler, and more reliably under high-volume firing conditions. This reduction in gas blowback improves shooter comfort while minimizing carbon buildup and component wear.

The proven Fast-Attach mounting system allows rapid installation and removal without tools while maintaining repeatable point-of-impact performance. The RC4 remains fully compatible with all existing SureFire SOCOM Fast-Attach muzzle devices, making it an easy upgrade for current SOCOM suppressor users.

Built for Professional Duty Use

Optimized for 5.56 NATO rifles with barrel lengths of 10.3 inches and longer, the SOCOM556-RC4 excels on duty rifles, SBRs, patrol carbines, defensive platforms, and professional-use AR-15 systems. Its robust Inconel construction provides exceptional resistance to heat erosion and wear, ensuring long-term performance even under demanding firing schedules.

Advanced Flash and Gas Management

The RC4 was engineered to dramatically reduce visible muzzle flash while minimizing gas blowback to the shooter. This combination enhances performance during low-light operations, improves shooter comfort, and helps maintain reliable weapon function throughout extended shooting sessions.

Key Features

• Full Inconel superalloy construction for maximum durability
• Advanced S-Curve Gas Flow Geometry
• Approximately 4x greater flash reduction than the RC3
• Up to 60% reduction in back pressure
• Fast-Attach mounting system for rapid installation and removal
• Compatible with all SureFire SOCOM Fast-Attach muzzle devices
• Reduced gas blowback and carbon buildup
• Cerakote finish for corrosion and heat resistance
• Full-auto rated for professional use
• Optimized for 10.3-inch and longer 5.56 NATO barrels
• Made in the USA

Specifications