Wilson Combat SPRTMBFB556 Rapid-Thread Muzzle Brake | 5.56

The Wilson Combat Rapid-Thread Muzzle Brake is a flat-back, 5.56-compatible mounting device designed to interface with Whisper suppressors on barrels that measure greater than .775″ behind the front threads. It provides a direct suppressor mounting solution with a durable Melonite applied finish and includes a shim set and O-ring for installation. The unit is sized and threaded to the NFA pattern specified by the manufacturer for straightforward attachment to compatible barrels.

Intended applications include secure suppressor mounting for range and training use, and use in competition or precision shooting setups where a quick, repeatable attachment to a Whisper silencer is required.

Product Specifications

• The manufacturer is Wilson Combat.
• The manufacturer part number is SPRTMBFB556.
• The model is described as Muzzle Brake.
• The product type is listed as Accessory-Parts.
• The finish is Melonite.
• The finish type is Applied Finish.
• The NFA thread pattern is 1/2×28.
• An intended feature is For use with Whisper Silencers.
• The package includes Shim Set and O-Ring.
• Can be disassembled is listed as False.
• Drilled and tapped is listed as False.
• The weight is 0.30000000000000004 (unit not specified by supplier).
• The overall dimensions are listed as Length 7; Width 3.2; Height 0.9 (units not specified by supplier).
• The package dimensions are listed as Length 8.6; Width 3.7; Height 1.0 (units not specified by supplier).
• The UPC is 811826023155.

For shooters who require a direct, manufacturer-specified interface for Whisper silencers, this Rapid-Thread mount provides a purpose-built solution with an applied Melonite finish and included installation hardware. Its straightforward design focuses on reliable attachment and repeatable alignment for range, training, and competitive applications.