Wilson combat's protector carbine rifle features mil/spec forged upper and lower receivers, 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.Metal Finish: BlackAction: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16.25"Capacity: 30+1Trigger: Two-StageSafety: Manual ThumbOal: 33.25"Weight: 6.10 lbsStock Description: Wilson/Rogers Super StocMuzzle: Flash HiderReceiver Material: AluminumSights: None, Optic ReadyBarrel Description: Stainless Steel Match GradeTwist: 1:7"Barrel Length Range: 16" to 16.99"Weight Range: 6 lbs to 6.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black