This db15 model features a 6-position mil-spec stock, a2 style pistol grip, 7075-t6 aluminum receiver with a black hardcoat anodized finish, 4150 chrome-moly barrel with a black melonite finish, and a a2 flash hider.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16"Capacity: 30+1Safety: Manual ThumbWeight: 6.65 lbsStock Description: 6 PositionMuzzle: A2 Flash HiderReceiver Material: 7075-T6 AluminumSights: Optic ReadyBarrel Description: Chrome Moly SteelTwist: 1:8"Barrel Length Range: 16" to 16.99"Weight Range: 6 lbs to 6.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black