The Palmetto State Armory PA-15 is a budget-tier mil-spec AR-15 with a 16-inch M4-profile barrel. PSA became known for offering complete AR-15s at prices far below established manufacturers, driving industry-wide price competition and expanding the entry-level market. Type: Semi-Auto Rifle Action: Direct Impingement Caliber: 5.56x45mm Capacity: 30 Year introduced: 2012, USA Weight: 6.5 oz Overall length: 32" Status: Active Intended use: Home Defense, Range, Training