Applicable Caliber: 22 Long Rifle – Full-Auto Rated: No – Use Wet or Dry? DRY ONLY – Overall Length: 23.75 – Overall Length of the Suppressed Upper 17.5 Barrel Length – Tube Diameter: .925 – Weight: 2.7 lbs. Includes charging handle and bolt carrier assembly – Tube Material: 6061 Aluminum – Tube Finish: Matte Black High-Temp Cerakote – Core Material: 17-4 PH Stainless Steel – Core Finish: Black Oxide – Barrel Material: 4140 – Barrel Finish: Black Oxide – Mount Type: Fits M&P15-22 lower reciever – Suppressor Cover: No – Supersonic Ammunition: Ok – Disassemble for Cleaning: Yes – INCLUDES – Complete Integrally Suppressed Upper Assembly – Charging Handle – Bolt Carrier Assembly