The Brownells BRN-180 .300 BLK is a usa-made semi-automatic rifle chambered in .300 Blackout, introduced in 2019. Primary use: sport, military, hunting. Type: Rifle Action: Semi-Automatic Caliber: .300 Blackout Capacity: 30 Year introduced: 2019, USA Weight: 104 oz Overall length: 43.5" Status: Active Intended use: sport, military, hunting