The Griffin Armament Resistance 22M is a modular, user-serviceable .22 suppressor machined from 7075-T6 aluminum with HEDP baffles, neoprene wipe, 1/2 28 mount, multi-caliber compatibility, lightweight and versatile for rifles and pistols, ideal for plinking. 7075-T6 aluminum construction Hardcoat anodized black User Serviceable HEDP baffle Stack Includes Neoprene suppressor wipe Compatible with multiple mounting options (sold separately) Comes with 1/2 28 direct thread mount Rated for .223 with 16 barrel and slow strings of fire 113 DB .22lr pistol 114 DB .22 rifles 129 DB 20 .223 bolt action Length: 4.75 Diameter: 1.375 Weight: 4.9 oz.