LWRC SIX8 in 6.8 SPC II chambering. Short-stroke piston, 16.1-inch barrel, optimized for the 6.8 SPC cartridge performance in a standard AR platform. Type: Rifle Action: Semi-automatic Caliber: 6.8 SPC Capacity: 26 Year introduced: 2012, USA Weight: 69 oz Overall length: 34.5" Status: Active Intended use: Patrol/Hunting