As long as Felwinter thought this was a perfectly reasonable limit and not Tony convincing himself that it was fine to work on weapons as long as he didn't actually arm them to satisfy his own curiosity, Tony was not going to dissuade either of them of that fantasy. Plus, he was very charming when he overcame his discomfort enough to remind Tony that his gaze was incredibly disquieting, and maybe that was something that Tony should have been working through with a professional, but for now he welcomed it with a wry grin and his chin suddenly up to risk giving Felwinter an encouraging pat to the shoulder. That brought him closer to the gun, which he eagerly plucked up to test the weight himself, abandoning his defensive stick finally against the workbench.

"Trust me, you can't actually afford me, this one'll be pro bono," he corrected, focus on the shotgun with only a beat of consideration before he was rapidly disassembling it. "But I could use a door, sure, pay it forward. Do you know how to use a screwdriver?"