These weaponized bunkers are for "military" use.
CHAINGUN BUNKER: A powerful, yet wasteful, gun. 5 barrels of undescribed destruction,but takes up arrows quickly.
FLAMETHROWER BUNKER: The bunker is fireproof, because of what it shoots. 4 barrels to shoot fireballs out of, this will burn all of your opponents and their bases.
POTION BUNKER: A camouflage bunker meant to look like a lump of moss stone, with 4 potion launchers weakening and damaging your opponents.