Ruger American Predator in 308 Winchester. The heavier spiral-fluted barrel and threaded muzzle make this an excellent base for a suppressed hunting or varmint rifle at a sub-$600 price. Type: Rifle Action: Bolt-Action Caliber: 308 Win Capacity: 4 Year introduced: 2016, USA Weight: 43.5 oz Overall length: 42" Status: Active Intended use: Varmint, Hunting