C684

"Shitou, do you still remember the first gun we did?"

Jiang Mo stared fixedly at the stone.

Stone nodded his head, "Lord, you mean to say, we should modify the pipe cannon?"

Jiang Mo was proud of Rock's intelligence, "That's right, transfer cannons, I'm ready to unify the equipment of the summoning legion. That way, the ammunition production will be more uniform