The dd5v3 includes an adjustable gas block that allows for a consistent feel whether shooting suppressed or unsuppressed.The perfected bolt carrier group reduces overall recoil impulse and is easy to maintain and operate in all conditions.Designed with an innovative 4-bolt connection system, this design dramatically increases the connection surface area between the barrel and upper receiver for increased rigidity/stability to wring out accuracy.The dd5 platforms have upgraded controls like ambi bolt catch, magazine release, safety selector and daniel defense enhanced furniture.Ships w/o magazine.Metal Finish: Black Hardcoat AnodizedAction: Semi-AutoCaliber: 7.62x51mm NATOBarrel Length: 16"Capacity: No MagazineTrigger: Mil-SpecSafety: Safety Selector SwitchOal: 33.38"- 37"Weight: 8.30 lbsStock Description: 6 Position w/SoftTouch OvermoldingMuzzle: DD Superior Suppression DeviceReceiver Material: 7075-T6 AluminumSights: Optic ReadyBarrel Description: Hammer Forged SteelTwist: 1:11"Barrel Length Range: 16" to 16.99"Weight Range: 8 lbs to 8.99 lbsHand: Right HandStock Finish Group: BlackMetal Finish Group: Blued/Black