From Pathfinder #179: Cradle of Quartz, which isn't enabled.

Alchemist's Damper

ITEM 5

UNCOMMON CONSUMABLE MAGICAL TALISMAN

Price 30 gp

Usage affixed to firearm with the kickback trait

Bulk —

Category talisman

Activate envision

Trigger You attack with the affixed firearm

Requirements You're an expert with the affixed firearm.

A glass tube of mercury is contained within this golden clasp that's fitted in front of a firearm's trigger. On the triggering Strike, the mercury turns briefly to gold, reducing the effect of recoil, allowing you to ignore the circumstance penalty of the attached weapon's kickback weapon trait.

Pathfinder #179: Cradle of QuartzOGL