[He's perhaps a little miffed it's the weapon and not him what's got her impressed, but alright, a love of guns (or other weapons) is something he can understand for sure.
He holds up the pistol to show her.]
These are much more deadly than a crossbow. And a lot more fun, in my experience. They don't shoot arrows, they shoot bullets. ["Balls" but the whole sword and weapon talk has been innuendo-y enough as it is. Isabela would make seventeen jokes at this exchange.]