Suppressor Mount Shims 1/2" x 28 - JMac Customs

Suppressor Mount Shims 1/2" x 28 - JMac Customs Suppressor Mount Shims 1/2" x 28 - JMac Customs Kit includes thread pitch specific shims for optimal timing Precision manufactured here in the USA Stainless Steel Includes Shims to time 1 muzzle device JMac Customs Suppressor Mount Shims 1/2"x28. Precision shims for properly timing your muzzle devices, ensuring optimal alignment. Made from stainless steel here in the USA.