The bravo zulu is designed and manufactured to exceed all expectations.Bravo zulu meaning a job well done is introduced into the xm15-e2s family with a free float rail, thril products and the snake charmer muzzle brake.Features: equipped with a carbine length gas system, thril combat competition 6 position stock, thril pistol grip, optics readyAction: Semi-AutoCaliber: 450 BushmasterBarrel Length: 16"Capacity: 30+1Trigger: DM2S 2 StageSafety: Manual ThumbOal: 33.50"-36.50"Weight: 6.45 lbsStock Description: 6 Position CollapsibleMuzzle: Muzzle BrakeSights: None, Optic ReadyTwist: 1:24"Barrel Length Range: 16" to 16.99"Weight Range: 6 lbs to 6.99 lbsHand: RightStock Finish Group: Black