Ron just looked at the gun for awhile before answering. The truth was, he'd gotten used to the weapon, to him it was just another tool of the trade now, a prop he needed to establish his bona-fides in the Muggle underworld "Yeah. I mean . . ." Ron trailed off, before continuing, "I've never had to actually use it, except for practicing with it to make sure I don't blow my own foot off or something by accident, but, yeah, had a couple of close calls where I needed to wave it around a bit, just to make sure I was taken seriously."
As for the other question . . . "But if I had to? Yeah, I would."