PSA's PA-15 in a 20-inch A2 configuration recreates the original M16A2 specification at PSA's value price. The 20-inch chrome-lined barrel with rifle-length gas system and A2 buttstock deliver traditional AR-15 ballistic performance. The flat-top upper modernizes the configuration from true A2 while retaining the longer barrel and A2 furniture package. Popular with traditionalists and buyers seeking maximum 5.56 velocity. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2018, USA Weight: 66 oz Overall length: 39.5" Status: Active Intended use: Target Shooting, Home Defense, Hunting