That's about close enough to that gun.
4 seconds sound clip from the El Dorado (1966) movie soundboard.
You can hear this line at 00:03:42 in the Blu-ray version of the movie.
Quote context
[...]
- I heard you were made sheriff...
- Just till I find out which side you're on.
- I heard you were working for Bart Jason.
- Would you like to hear? Yeah, go ahead.
- That's about close enough to that gun.
- I just wanted to see if you'd slowed down any.
- What were you saying about Jason?
- Everybody else around here was broke. You know how it was then.
[...]