The M&P15 PC (Performance Center) is Smith & Wesson's competition-ready factory AR-15, featuring an 18-inch stainless barrel, a match-grade Vident trigger, a free-float handguard, and Lyman sights. Produced by S&W's Performance Center custom shop. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 10 Year introduced: 2018, USA Weight: 7 oz Overall length: 37" Status: Active Intended use: Competition, Range, Precision