A cartridge package comprising: an elongated housing having two opposite side walls (111, 112), two opposite edge walls (113, 114) connecting the longitudinal edges of the side walls (111, 112), a bottom end, a top end opposite to the bottom end, and a first compartment being formed in an interior of the housing, the first compartment being divided into two sub-compartments (121, 122) with a longitudinal flexible intermediate wall, a first sub-compartment being formed between the intermediate wall and the first side wall, and a second sub-compartment being formed between the intermediate wall and the second side wall, each sub-compartment (121, 122) being configured to be filled with one row (R1, R2) of cartridges, each of the side walls (111, 112) being provided with a longitudinal slot (160, 162) providing access into a respective sub-compartment (121, 122), a mouth portion extending outwards in the longitudinal direction from the top end of the housing, a second compartment being formed within the mouth portion, the first sub-compartment and the second sub-compartment opening into the second compartment at the top end of the housing, the second compartment having an open top end and being adapted to receive a mouth portion of a first cartridge magazine in order to load the cartridges from the cartridge package into the first cartridge magazine, whereby the width of the longitudinal slots (160, 162) is dimensioned according to a thickness of the cartridge magazine so that an edge of a second cartridge magazine can be inserted into the respective longitudinal slot (160, 162) in order to push the respective row (R1, R2) of cartridges from the cartridge package into the first cartridge magazine. an elongated housing having two opposite side walls (111, 112), two opposite edge walls (113, 114) connecting the longitudinal edges of the side walls (111, 112), a bottom end, a top end opposite to the bottom end, and a first compartment being formed in an interior of the housing, the first compartment being divided into two sub-compartments (121, 122) with a longitudinal flexible intermediate wall, a first sub-compartment being formed between the intermediate wall and the first side wall, and a second sub-compartment being formed between the intermediate wall and the second side wall, each sub-compartment (121, 122) being configured to be filled with one row (R1, R2) of cartridges, each of the side walls (111, 112) being provided with a longitudinal slot (160, 162) providing access into a respective sub-compartment (121, 122), a mouth portion extending outwards in the longitudinal direction from the top end of the housing, a second compartment being formed within the mouth portion, the first sub-compartment and the second sub-compartment opening into the second compartment at the top end of the housing, the second compartment having an open top end and being adapted to receive a mouth portion of a first cartridge magazine in order to load the cartridges from the cartridge package into the first cartridge magazine, whereby the width of the longitudinal slots (160, 162) is dimensioned according to a thickness of the cartridge magazine so that an edge of a second cartridge magazine can be inserted into the respective longitudinal slot (160, 162) in order to push the respective row (R1, R2) of cartridges from the cartridge package into the first cartridge magazine.