The PSA PA-15 is the flagship budget AR-15 from Palmetto State Armory, consistently selling for $400-$500 and setting the price floor for mil-spec AR-15 carbines. PSA mills its own receivers and sources mil-spec components. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2012, USA Weight: 6.35 oz Overall length: 32" Status: Active Intended use: Home Defense / Sporting