The Defensive Sporting Rifle is a high-quality, no-frills rifle well suited for duty, sport, or defense. The AR-10 starts with a double-lapped, chrome-lined, chrome moly barrel with a manganese phosphate protective finish. The upper receiver is a forged flat-top made of 7075-T6 aluminum with a MIL-STD 1913 rail mounted on top. The lower receiver is forged 7075-T6 aluminum as well and both have a black anodized finish. The stock has 6 positions of adjustment for a perfect fit. The bolt carrier group has a mil-spec black nitride finish. 8" handguard. Single-stage trigger. Flash suppressor. 1 in 11" twist. 20-round Magpul PMag included.