pf2e.fyi
From Pathfinder Guns & Gears, which isn't enabled.

Instant Backup

FEAT 4
Activity reaction

Trigger Your attack with a firearm misfires.

Even as your firearm misfires, you quickly draw a backup. Release the misfired weapon and Interact to draw a different weapon that requires the same number of hands or fewer.

Pathfinder Guns & GearsORC