LWRC's piston-driven carbine chambered in 6.8 SPC II, offering terminal performance significantly superior to 5.56 at AR-15 platform weights. The Six8 uses LWRC's proven piston system in a dedicated 6.8-optimized rifle, not a converted 5.56 upper. Type: Rifle Action: Semi-Automatic Caliber: 6.8 SPC Capacity: 26 Year introduced: 2012, USA Weight: 118.4 oz Overall length: 32" Status: Active Intended use: Law Enforcement, Military, Service, Hunting