Gemtech 12145 Quickmounts Flash Hider Black Steel with 1/2″-28 tpi Threads & 2.40″ OAL for 5.56x45mm NATO AR-Platform

This Gemtech flash hider is the culmination of user feedback, extensive testing, and decades of experience. It is more aggressive than ever to cut down on carbon build-up in the suppressor and to prevent it from getting stuck. Included is a precision mounting shim kit.