DPMS LR-308 in .260 Remington with 18-inch barrel, an early adopter of the 6.5mm class cartridge in the AR-10 before 6.5 Creedmoor rose to dominance. Type: Rifle Action: Semi-Auto Caliber: 260 Rem Capacity: 20 Year introduced: 2007, USA Weight: 116 oz Overall length: 38.5" Status: Active Intended use: Precision hunting, long-range target