The original DPMS LR-308 is a 20-inch full-length precision AR-10-pattern rifle that helped establish the DPMS magazine and receiver pattern as the dominant AR-10 standard in the industry. Built with a heavy-profile barrel and A2-style furniture. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: .308 Win Capacity: 20 Year introduced: 1998, USA Weight: 10.4 oz Overall length: 39.5" Status: Active Intended use: Long Range, Hunting, Range