The Armalite® AR-10® A-Series Defensive Sporting Rifle provides shooters with a reliable semi-auto rifle made by the company who originated the AR. This is a high-quality, no frills rifle that's well suited for duty, sport, or defense. This AR-10 comes with a standard 8" handguard and a 6-position collapsible buttstock. Both the upper and lower receivers are made of forged 7075-T6 aluminum; the upper receiver features a flattop MIL-STD 1913 rail. Upper and lower receivers have an anodized non-reflective finish. The doubled-lapped, chrome lined barrel is finished with manganese phosphate. Rifling twist is 1:11.25". The Armalite AR-10 Semi-Auto Rifle comes with one 20-round Pmag. Made in USA.