"Oh," he says, because yes, that makes more sense and also makes it at least 900 times less alarming. Not just his size, but he also recognises Hellboy; they haven't spoken before but he's a bit hard to miss, especially with how visible Hellsing was during the last citywide crisis.

"Oh, no, go ahead," he says, handing the gun over carefully. "It -- came loaded, but ah, I wasn't going to carry a live weapon on the train." Especially one he can't control. He holds up a small box he brought with him, presumably containing the ammunition.

It's not actually illegal to own a weapon in Baedal, they're just hard to come by, and he imagines it's a lot more socially acceptable with what Hellboy does for a living.