U.S. M2HB .50 cal Machine gun w/Tripod & M63 Anti-Aircraft Mountly 2 machine guns in one kit. M3 tripod can be built in extended/folded mode. The kit provide 3 types of barrels. 4 type of gun sights included. Guns can be mounted on tanks or vehicles. M63 AA Mount can be built in two different mode optionally. 3 kinds of ammo boxes included. Precision photoetched parts are included.