The PSA AR-15 Pistol is a short-barreled AR-15 configuration with a 10.5-inch barrel and a pistol brace, classified as a pistol rather than a short-barreled rifle under ATF regulations. Type: Pistol Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2016, USA Weight: 5.75 oz Overall length: 27" Status: Active Intended use: Home Defense / Compact Carry