16-inch .300 Blackout RF-15 built on Radical's standard AR-15 platform with a .300 BLK-specific barrel. Type: Rifle Action: Semi-Automatic Caliber: .300 BLK Capacity: 30 Year introduced: 2014, USA Weight: 62 oz Overall length: 32.5" Status: Active Intended use: hunting, suppressed, home_defense, Suppressor Host, Home Defense, Hunting