PSA's PA-15 pistol with 7.5-inch barrel is the most compact factory 5.56 AR pistol in PSA's lineup. The ultra-short barrel and pistol-length gas system are optimized for reliable cycling with standard 5.56. PSA's chrome-lined barrel at this length represents significant value. A mil-spec pistol lower accepts standard aftermarket brace systems. Type: Pistol Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2018, USA Weight: 48 oz Overall length: 19.5" Status: Active Intended use: Home Defense, Suppressor Host