The Griffin Armament Resistance 22M is a modular rimfire suppressor that is user serviceable and compatible with a wide range of mounting options. The Resistance 22M suppressor is machined from 7075-T6 aluminum and features the patented HEDP baffle stacks and comes with a neoprene wipe to reduce the sound signature even more. This .22lr silencer is also compatible 22WMR, 17HMR, 5.7mm, and even .223 with a 16" barrel. The Griffin Armament Resistance 22M Suppressor is the modular and versatile 22lr suppressor you need for your plinking rifle.Features: 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 1/2x28 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.Griffin Armament produces serious use products with exceptional quality at a fantastic value. Designed with real world experience and built in the U.S.A., their product line has the parts you need. They're built to last a lifetime and backed by their perpetual lifetime warranty.