pf2e.fyi
From Pathfinder Battlecry!, which isn't enabled.

Autoload Leathers

ITEM 9
INVESTEDMAGICAL
Price 700 gp
Bulk 1
Category light
Group leather
AC Bonus +2
Dex Cap +3
Strength +1
Check Penalty −1

This +1 resilient studded leather armor has a built in ammunition bandolier that, once set up, can be used to almost instantaneously reload a weapon.

Activate—Autoload (manipulate)
Frequency once per day
Effect You reload a weapon with reload 1.
Pathfinder Battlecry!ORC