Complex sentence: It was fed from a 20 round box magazine chambered in the intermediate 7x44mm round, this calibre was considered underpowered for its day but shares the same ballistics as later calibres such as the 7.92x33mm Kurz, 7.62x45mm vz.
Split into simpler sentences: It was fed from a 20 round box magazine chambered in the intermediate 7x44mm round. This calibre was considered underpowered for its day but shares the same ballistics as later calibres such as the 7.92x33mm Kurz, 7.62x45mm vz.