Complex sentence: It has a box-type magazine which holds 5 rounds and uses an 8 mm cartridge based on the 8x50mmR Mannlicher, but is loaded with hunting-type bullets rather than military ones.
Split into simpler sentences: It has a box-type magazine which holds 5 rounds. The rifle uses an 8 mm cartridge based on the 8x50mmR Mannlicher but loaded with hunting-type bullets rather than military ones.