Reading through this thread makes me think that there are no slang gun-related terms or phrases I can never use again. At least on the internet.
I have absolutely zero problem with anyone calling a firearm a weapon. Firearms are weapons. All of my firearms are weapons. Dunno about all of yours.
Neither do I have a problem with the term "platform." It certainly has application when discussing certain weapon systems (yeah, I used the word), such as 1911-platform or AR15-platform. The base versions of these guns can be considered "platforms."
A "piece?" Guessin' you don't like the term "gat" or "burner" or "smokewagon" either ... What about "hardware?" "Heater?" "Rod?" "Blaster?"
What? No appreciation for old black and white movies starring George Raft, Humphrey Bogart or James Cagney?
Tactical is a word much overused, but in the right context it has its place. Operator, hmm, never like being called an operator. Tech or specialist was cool, though.
Wheelgun is traditional. I have no problem with that. "Mossie," "Remmie," and "shottie" are rather detestable, I think. As would be "Winnie," but I don't recall that being a thing.
Thank goodness my shooting buddies aren't so uptight about words as a few of the folks in this thread. Language evolves, and it's really no big deal.
Unless you're calling a magazine a "clip" -- I'm not good with that. And if you ever use the made-up word "hella" around me, I'll be done with you. Or text me using "LOL" at the end of the message <puking>