The Del-Ton Echo 316L in .300 Blackout with lightweight barrel profile combines the lightweight Echo configuration with the suppressor-friendly cartridge. The 16-inch lightweight-profile chrome-lined barrel reduces carry weight while handling both supersonic and subsonic .300 BLK loads. Del-Ton's North Carolina manufacturing delivers the Echo quality standard in this specialty caliber. Type: Rifle Action: Semi-Automatic Caliber: .300 Blackout Capacity: 30 Year introduced: 2016, USA Weight: 58 oz Overall length: 32.5" Status: Active Intended use: Suppressor Host, Home Defense, Hunting