SureFire SOCOM556-RC4 Suppressor, 5.56mm, Black Inconel

The SureFire SOCOM556-RC4 Suppressor, 5.56mm, Black Inconel (brand part no. SOCOM556-RC4-BK) is a .223 REM/5.56 NATO suppressor machined from Inconel. It measures 6.3 inches long and weighs approximately 1.7 lb. Surefire builds it for hearing-safe, reliable performance.

Key Specifications

• Rated for .223 REM/5.56 NATO ammunition for focused sound suppression.
• Measures 6.3 inches long.
• Machined from Inconel for durability under sustained use.
• Finished in Black.
• Weighs approximately 1.7 lb shipping weight.
• Mounts via SureFire’s Fast-Attach system for quick installation and removal.

Frequently Asked Questions

Is this an NFA item? Yes. As a suppressor, it's a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What caliber is it rated for? .223 REM/5.56 NATO.

How does it mount? SureFire’s Fast-Attach system. No tools needed to attach or remove once the Fast-Attach flash hider is installed.

Buy the SureFire SOCOM556-RC4 Suppressor, 5.56mm, Black Inconel

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer, with an extended federal approval wait before delivery. Order through Surefire‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.