I spent a weekend at a combat ranch. You know that game with the guns that shoot red paint? Probably seems kind of stupid to you.

8 seconds sound clip from the Die Hard (1988) movie soundboard.

You can hear this line at 01:34:02 in the Blu-ray version of the movie.

Quote context

[...]

(Chuckling)

- Yeah. It's better than being caught with your pants down, huh?

- I'm John McClane. You're, uh..

- Clay. Bill Clay.

- You know how to use a handgun, Bill?

- I spent a weekend at a combat ranch. You know that game with the guns that shoot red paint? Probably seems kind of stupid to you.

- Well, stime for the real thing, Bill.

- All you gotta do is pull the trigger. Come on.

(Cocks Gun)

- Put down the gun and give me my detonators.

[...]