Anderson's AM10 Hunter model is chambered in .308 Win. and comes with an 18 inch Chrome Moly Vanadium Steel barrel with a 1-10 twist. It features a forged 7075 T6 receivers , Anderson s proprietary 17-4 stainless steel match grade trigger and hammer, a 308 Knight Stalker flash hider, EXT free floating hand rail, Molding Solutions TI17 butt stock and MagPul pistol grip, ambidextrous sling mount , comes with one twenty round magazine. This rifle is a RF85 model, meaning, it fires with 85 percent less friction, 23 percent faster action, and cleans up with soap and water, no oil needed.