This AR-15 combo bundles the three upper-receiver finish parts most builds need: a charging handle, a dust cover assembly, and a forward assist assembly. It rounds out a standard mil-spec upper in one package. Features: Mil-spec AR-15 charging handle Ejection-port dust cover assembly (cover, clip, rod, and spring) Forward assist assembly (plunger, spring, and pin) Fits standard mil-spec AR-15 upper receivers.