The PSA PA-15 5.56 is PSA's core AR-15 offering, a fully mil-spec AR-15 carbine at a price that has made the AR-15 accessible to millions of first-time buyers. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2009, USA Weight: 62 oz Overall length: 32.5" Status: Active Intended use: Tactical, Home Defense, Competition