The SureFire SOCOM shim kit for the FH762RC 4-prong flash hider on 5/8-24 threads (brand part no. Z70121) sets the timing of a SOCOM muzzle device on a .308 barrel. SureFire includes shims in a range of thicknesses that can be used alone or stacked to reach proper alignment. They are color-coded, so you can tell the thickness at a glance. SureFire lists this kit for the 7.62mm four-prong flash hider on 5/8-24 threads.

Key Specifications

• The kit is the FH762RC-5/8-24 shim kit, the one SureFire pairs with the 7.62mm four-prong flash hider.
• The thread size is 5/8-24, matching the .308 muzzle device it supports.
• The shims are 300-series stainless steel, for durability and long service life.
• Each kit holds shims of different thicknesses, which can be used alone or combined for proper alignment.
• The shims are color-coded, so thickness is identified without measuring.

Frequently Asked Questions

Which flash hider uses this kit? SureFire lists Z-70121 for the FH762RC-5/8-24 SOCOM four-prong flash hider in 7.62mm.

Can I use it on a 1/2-28 device? No. This kit is listed for the 5/8-24 FH762RC. SureFire lists a different kit, Z-70031, for the 1/2-28 FH556RC.

Buy the SureFire SOCOM Shim Kit for the FH762RC, 5/8-24

A properly timed muzzle device starts with the right shim, and SureFire matches this kit to the 7.62mm four-prong hider. Order it from our Lubbock, Texas gun shop for fast shipping, and see more Class 3 parts and accessories.