Armalite's m153gn is the flagship competition rifle built to win.This rifle is compact, light, and ultra-fast.The low profile handguard, with a railed front sight base, covers a free-floating stainless steel barrel with armalite's own tunable muzzle brake.An adjustable gas block also allows the rifle to be individually set for optimal performance.It has an mba-1 lightweight precision stock (adjustable lop/comb height), timney single-stage trigger, and raptor ambidextrous charging handle.This carbine model has a 13.5" barrel pinned and welded to muzzle brake to create a 16" barrel and a carbine-length gas system beneath a 12" free-float 3-gun handguard.It is co compliant and includes a 10-round magazine.Metal Finish: Black Hardcoat Anodized/Black PhosphateAction: Semi-AutoCaliber: 223 WyldeBarrel Length: 16"Capacity: 10+1Trigger: TimneySafety: AmbidextrousOal: 34.50"-35.50"Weight: 6.90 lbsStock Description: Adjustable Luth-AR MBA-1Muzzle: Armalite Tunable BrakeReceiver Material: 7075 T6 AluminumSights: None, Optic ReadyBarrel Description: Stainless SteelTwist: 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