Zooka!

root@bandit-db:~$ cat description.txt

A Bandit launcher that fires a three-rocket burst for the cost of a single round. The rockets travel slowly but hit hard, giving it better forgiveness than single-shot launchers when one projectile drifts off target. Its damage efficiency is excellent, though the sluggish reload keeps it from feeling nimble.

root@hyperion-db:~$ cat notes.txt

Among Bandit launchers, it is the slowest for both reload speed and rocket travel speed. Random world drop from suitable loot sources.