The Jundian M4 is good.
Jinming 8 is most suitable for beginners to learn internal modification. However, the quality of the shell is not good and it is not suitable for major appearance changes. Compared to the two, Jundian M4 is better.
Jinming 8 has original factory performance. The gear of the gearbox is the same as that of Fengjiasheng gearbox. This is currently the best-performing Jinming water gun. The span is long, the structure of the wave box is simple and modular, and it is easy to maintain.