The db15ccmlmb features a black nitride 4150 chrome moly medium barrel, carbine length gas system, a3 flattop forged aluminum t-marked upper, standard forged aluminum lower and an moe carbine stock and grip.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16"Capacity: 30+1Safety: ManualOal: 32.50"-35.75"Weight: 6.56 lbsStock Description: Adjustable Magpul MOE CarbineMuzzle: A2 Flash HiderReceiver Material: 7075-T6 AluminumSights: None, Optic ReadyBarrel Description: 4150 Chrome Moly MediumTwist: 1:8"Barrel Length Range: 16" to 16.99"Weight Range: 6 lbs to 6.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Brown/Tan