Integrated ammunition cartridge

An ammunition cartridge comprising:

• a cartridge case portion suitable for accommodating propellent powder;
• and
• a jacket portion, wherein the jacket portion is configured to accommodate at least one projectile filling and wherein the jacket portion of the cartridge enclosure is open at the side of the projectile filling facing a base,
• wherein the jacket portion is made of at least one of:
• polymer material, and composite material,
• wherein the cartridge case portion is connectable to the base which is suitable for accommodating an ignition device, wherein the base is a distinct element from the cartridge case portion, and
• wherein the cartridge enclosure comprises a detachment section, wherein the projectile filling comprises a first portion facing the base radially extending outward into a shoulder that engages with the jacket portion at the detachment section, and a second portion which reduces in its diameter in shot direction,
• such that, during firing of the ammunition cartridge, due to pressure forces applied on the detachment section by the propellant powder during combustion thereof, at least some of the jacket portion is detached from the cartridge enclosure and remains attached to the at least one projectile filling, forming together a projectile to be shot towards a target.