Jack: I'm going back out into the jungle to talk to our friend with the beard. See if we can make a trade.
Sawyer: Ah ... The old prisoner exchange. And you're inviting me along 'cause you wanna gun, huh?
Jack: I'm not inviting you, I'm inviting Kate and I've already got a gun, but thanks for offering.
Sawyer: How the hell did you get a gun?
Jack: Does it matter?