Uses its claw as a gun (A literal pistol shrimp):
Beta Remoraid revealing that it was based on a gun:
Gigantamax Blastoise sporting a comical amount of guns:
Mega Blastoise:
Beta Octillary showing it is based on a tank:
Gigantamax Intellion uses its tail as a snipers roost and has a sniper rifle:
Dragapult is a Stealth Bomber:
Digimon has deputymon, Yu-Gi-Oh has barrel dragon, Yokai Watch has cupistol, etc. I wonder which creature collector franchise doesn’t have guns