OTB DUAL-LOK® muzzle devices are designed specifically for Griffin’s PSR™ line of reflex DUAL-LOK® suppressors.
Host Firearm Barrel Profile Requirements: 1.95″ rear of the thread shoulder needs to be .775″ OD or smaller in order to provide clearance for interfacing of these devices. The tool used to cut this step, if applicable, should have a .016″ corner radius or smaller, or the corner radius should be compensated for by adding length to the 1.95″ step.