How can I receive the ammos as rewards in Keller's side quest?

[earnest tendon]

I finished Keller's quest to retrieve the container. He told me that he would give me ammos, but I have no idea where I can receive them.

[delicate mountain]

Bed in town hall next to it pistol ammo spawns but for some reason it respawns for me idk

[earnest tendon]

Solved, thank you.