This Griffin Armament DUAL-LOK EZ Brake Suppressor Mount interfaces with all DUAL-LOK series silencers. (DUAL-LOK 5, DUAL-LOK 7, HRT-556, and HRT-762).Constructed of 17-4 PH stainless steel, the DUAL-LOK EZ-Brake features 3 radial slots which provide effective recoil mitigation. The DUAL-LOK EZ-brake weighs 2.5 ounces, making it one of the lightest mounts available for the DUAL-LOK Interface. The lighter weight reduces suppressor system weight while making the host firearm barrel lighter and more responsive to the shooter. The EZ-Brake does not require timing and will interface with a 13/16" standard socket wrench for installation. FeaturesRadial slots provide recoil mitigation with no timing requiredTaper and DUAL-LOK retention ring ensures solid lock up and minimal/repeatable POI shift17-4 PH Stainless steelLustrous Black Nitride Finish