The invention relates to an ammunition feed device (100) of a belted ammunition (4, 5) in a weapon system for delivery before a closure (10) or before a closure head, wherein the ammunition (4, 5) must be drawn from the ammunition belt by a cartridge hook (6, 7) and delivered to the closure (10). To prevent a misfire, etc., according to the invention the cartridge hook (6, 7) is integrated in the weapon system separately from the closure (10). The cartridge hook (6, 7) is carried or placed by the closure (10), when the closure (10) has covered a distance to the rear or must still cover a distance forward.