Elves love guns. I mean, if you’ll use a bow you’ll use a gun. The elves around my mountain tend to like really big guns. Just between us, I think they’re overcompensating for something but that is just speculation on my part.
Elves go for the "Three E's" in weaponry. Elegant, Exotic, Effective. This is what they'd use today:
Definitely not an orc weapon. I'm sure Tolkien would have approved if he ever saw one. He probably could have found good use for it in the trenches of WW1.