Sig Sauer Clutch-Lok QD Muzzle Brake 5.56 NATO 1/2-28

The Sig Sauer Clutch-Lok QD muzzle brake is designed to serve as both a quick-detach suppressor mount and a standalone muzzle brake for 5.56 NATO systems. It uses a 25-degree Taper-Lok shoulder interface for compatibility with Sig Taper-Lok barrels and accepts 1/2-28 threaded barrels. Constructed from stainless steel and featuring Sig’s Clutch-Lok quick-detach technology, the unit facilitates rapid attachment and removal of compatible SLX/SLH suppressors while providing reduced felt recoil when used as a brake.

Key Specifications

• The component is specified for 5.56 NATO caliber use.
• The shoulder interface uses a 25-degree taper for Sig Taper-Lok barrels.
• The thread pattern is 1/2-28 tpi for common 5.56 barrels.
• The overall length measures 2.2 inches.
• The listed weight is 3.2 oz as provided in the product description.
• The material specified is stainless steel.
• The mounting technology is Clutch-Lok QD for rapid suppressor attachment/removal.
• The product functions as a muzzle brake and a QD suppressor mount for SLX/SLH suppressors.

Engineered for shooters who need a reliable, quick-detach suppressor interface that also performs as a brake, the Clutch-Lok QD provides a compact, durable option for 5.56 platforms. Its Taper-Lok shoulder and 1/2-28 thread compatibility make it suitable for use on Sig-compatible barrels, while stainless steel construction and established Clutch-Lok technology help ensure consistent mounting and service life.