Griffin Armament is proud to introduce DUAL-LOK our newest QD mounting system for rifle suppressors. The DUAL-LOK system is comprised from two parts the DUAL-LOK Mount and the DUAL-LOK muzzle device (of your choice). This page is for the DUAL-LOK Stealth Flash Hider 2.25. - The muzzle device integrates 60 machined mounting position grooves which is doubled by the mount