Complex sentence: This bullet was considerably longer (33.62 mm) and heavier (12.5 g) than the PS bullet, and it was intended to be fired from AK-type rifles equipped with PBS-1 silencer.
Split into simpler sentences: This bullet was considerably longer (33.62 mm) and heavier (12.5 g). This cartridge was intended to be fired from AK-type rifles equipped with PBS-1 silencer.