Otter Creek Arms Llc OCL-844 OTB Muzzle Brake Raw Heat Treat 5/8×24

The OTB Muzzle Brake works the same as the standard OTB mount only with a built in muzzle device Made from H900 heat treated 17-4 steel this one piece adapter will allow you to mount your OPS 12th model OCM5 or AEM5 to ANY barrel with 1/228 threads that is .75 or less OD and a minimum of 2.05 of exposed barrel MEASURED FROM THE SHOULDER.