C1512 Two Boxes of Ammo

Compared to the caliber, the development of ammo is more complicated, and don't look at the small bullets that are made up of just a few parts, but to develop a new type of ammo, it takes quite a lot of money and time.

Take the 5.8mm rifle bullets of Han Country for example, it took a long time.

When they were developing it, they planned to race on the bend of the small caliber rifle. So