The SureFire Shim Kit (MPN Z70121) is a stainless steel kit for properly indexing a muzzle device on 5/8×24 threaded barrels.
Key Specifications
- Stainless steel shim kit for properly indexing (timing) a muzzle device
- .770-inch outer diameter, .635-inch inner diameter
- Works with 5/8×24 TPI threaded barrels in .30 caliber, 7.62mm, or .300 Blackout
- Includes 8 shims of various thicknesses
- Includes a tube of Rocksett thread-locking compound
Frequently Asked Questions
Is this an NFA item?
No — it’s an ordinary Title I accessory kit for indexing muzzle devices; no ATF paperwork required.
What barrels does this kit work with?
5/8×24 TPI threaded barrels chambered in .30 caliber, 7.62mm, or .300 Blackout.
What’s included?
8 shims of various thicknesses plus a tube of Rocksett thread locker.
Buy the SureFire 5/8-24 Shim Kit
Get your muzzle device properly indexed with this shim kit from Surefire. Order from a Lubbock, TX gun shop in our Class 3 accessory lineup.
