Suppressor Face Mount Shims Metric - JMac Customs

Suppressor Face Mount Shims Metric - JMac Customs Suppressor Face Mount Shims Metric - 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 Metric. Precision shims for properly timing your muzzle devices, ensuring optimal alignment. Made from stainless steel here in the USA.