The M&P10 is Smith & Wesson's .308 Winchester AR-10-pattern rifle, built to compete with the DPMS LR-308 and Armalite AR-10 in the semi-automatic .308 market. Features a 20-inch barrel, 6-position collapsible stock, and S&W's proprietary .308 AR receiver pattern. The M&P10 brought S&W's manufacturing volume to the .308 AR market, producing a competitive option at mainstream pricing. Type: Rifle Action: Semi-Automatic Caliber: .308 Winchester Capacity: 20 Year introduced: 2012, USA Weight: 7.71 oz Overall length: 41.75" Status: Active Intended use: Hunting, Sport Shooting, Precision Shooting