C380 An Agreement Was Reached

Besides, what a gun needs the most is elasticity, So this material is very suitable for this gun.

At this moment, a pained expression appeared on the old man's face, because he thought of what the spearhead was made of.

The spearhead was made from the rarest ore in the world that he had collected for a long time. Even if it was mined throughout the year, it would only be one ton