The Surefire SOCOM Replacement Shim Kit for SF3P/SFMB/WARCOMP-556, 1/2-28 (brand part number Z71652) helps shooters get precise timing on SureFire SOCOM muzzle devices threaded 1/2-28 for 5.56-caliber rifles. Built by Surefire, the kit includes shims of different thicknesses that can be used alone or stacked together to dial in proper muzzle device alignment on the barrel. Each shim is color-coded by thickness, so there is no need to measure before selecting the right combination. Machined from 300-series stainless steel, the shims hold up to repeated use without corroding or wearing out.

Key Specifications

• Designed to fit SF3P, SFMB, and WARCOMP-556 SureFire SOCOM muzzle devices.
• Threaded for 1/2-28 pattern muzzle devices on 5.56-caliber rifles.
• Kit includes multiple shim thicknesses for fine alignment.
• Shims can be used alone or combined to dial in proper muzzle device timing.
• Machined from 300-series stainless steel for durability and long service life.
• Shims are color-coded, eliminating the need to measure thickness by hand.
• Ships at a fraction of an ounce, roughly 0.01 pounds, adding no meaningful weight.

Frequently Asked Questions

What muzzle devices does this kit fit? SureFire’s SF3P, SFMB, and WARCOMP-556 SOCOM muzzle devices threaded 1/2-28.

How do I know which shim to use? Each shim is color-coded by thickness, so no measuring is required.

Buy the Surefire SOCOM Replacement Shim Kit for SF3P/SFMB/WARCOMP-556, 1/2-28

Get your SOCOM muzzle device timing right with hardware from our Class 3 parts and accessories lineup. Order it from our Lubbock, Texas gun shop for fast, insured shipping.