Wilson combat's protector elite is built with a fully machined upper and lower receiver from a solid billet of aluminum.The rifle features match grade stainless barrel with q-comp flash hider and a mid-length gas system for enhanced reliability and durability with low profile gas block.It utilizes a m-lok compatible hand-guard with a 4 accessory rail and qd sling mount nitride coated precision bcg m2 two-stage ttu trigger and a wilson/rogers super-stoc buttstock with bcm starburst pistol grip.Includes matched billet receiver set.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16.25"Capacity: 30+1Trigger: TacticalSafety: ManualOal: 33.25"Weight: 6.10 lbsStock Description: Wilson/Rogers Super StocMuzzle: Flash HiderReceiver Material: AluminumSights: None Optic ReadyBarrel Description: Stainless Steel LE Match GradeTwist: 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