Panther Bull Sweet Sixteen has a 416 stainless steel bull barrel, with 6 grooves, right hand 1X9 twist, button rifled 16″ barrel, gas operated rotating bolt, and a 8620 steel bolt carrier. The upper receiver features dust cover, shell deflector, A3 style flattop. Upper & Lower Receiver made of 7075-T6 aircraft aluminum. The Lower Receiver features semi-auto trigger group, aluminum trigger guard, and a aluminum magazine release button. The stock is A2 standard black zytel with trap door assembly. The handguards are aluminum ribbed carbine length with free float tube. Scope not included.