The first m4 variant rifle from iwi us, this 16 tactical rifle includes a 15 free float handguard, a b5 systems stock, and grip, and includes one (1) 30 round magpul pmag.Proudly manufactured and assembled at the iwi us facility in middletown, pennsylvania.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16"Capacity: 30+1Oal: 33"- 36.25"Weight: 6.50 lbsStock Description: Adjustable B5Receiver Material: SteelSights: Optic ReadyBarrel Description: Chrome Moly Vanadium HeavyTwist: 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