Those ammo counters go.
4 seconds sound clip from the Aliens (1986) movie soundboard.
You can hear this line at 01:37:50 in the Blu-ray version of the movie.
Quote context
[...]
- Well, I'm happy to disappoint you.
- What is it? What's going on?
- Where?
- Here we go. A and B gun tracking far end. Multiple targets.
(AUTOMATIC GUNFIRE FROM REMOTE SENTRY WEAPONS)
- Man, it's a shooting gallery down there.
- Sixty rounds left on B. Forty. Twenty. Ten...
[...]