The CMMG Endeavor .308 Win is a usa-made semi-automatic rifle chambered in .308 Winchester, introduced in 2015. Primary use: sport, military, hunting. Type: Rifle Action: Semi-Automatic Caliber: .308 Winchester Capacity: 20 Year introduced: 2015, USA Weight: 104 oz Overall length: 43.5" Status: Active Intended use: sport, military, hunting