AR-15 pistol in .300 Blackout with 8-inch barrel from PSA. Value-priced suppressor-ready build. Type: Pistol Action: Semi-Auto Caliber: .300 BLK Capacity: 30 Year introduced: 2017, USA Weight: 63 oz Overall length: 24" Status: Active Intended use: Personal defense / suppressed use, Budget Build, Suppressor Host