Noveske N4 chambered in .300 Blackout, one of the first premium builders to adopt the cartridge. Features Noveske's NSF barrel with a 1:8 twist optimized for 220-grain subsonic projectiles, making it a natural suppressor host. Type: Rifle Action: Semi-Automatic Caliber: .300 BLK Capacity: 30 Year introduced: 2012, USA Weight: 96 oz Overall length: 32.5" Status: Active Intended use: Suppressor Host, Service, Home Defense