The DPMS SASS (Semi-Auto Sniper System) is a precision AR-10 built to military contractor sniper support specifications with an 18-inch stainless fluted barrel, a Hogue stock, a two-stage Timney trigger, and a JP Enterprises compensator. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: .308 Win Capacity: 20 Year introduced: 2006, USA Weight: 10.4 oz Overall length: 38.5" Status: Active Intended use: Precision, Military Sniper Support, Long Range