130-mm Type 82 rocket launcher

There are two Chinese 130-mm rocket systems that differ slightly in rocket diameter and in number of tubes per launcher. The earlier rocket, launched from 19-tube launchers, is reported to have a diameter of 130.65 mm (5.144 in); the diameter of the later version, fired from a 30-tube launcher, is 130.73 mm (5.147 in).

This improbably small difference may indicate a redesigned rocket, since the later version is credited with two types of high-explosive warhead as opposed to single...