Hair Trigger Feat 16
Source Pathfinder Guns & Gears
Prerequisites initial deed that allows you to Interact to draw a weapon
No one can react faster than you can pull your trigger. When using your initial deed, instead of Interacting to draw a weapon, you can Strike with a firearm or crossbow you're already wielding. If this Strike hits, the target is also Flat-Footed until the end of your first turn of the encounter.
Special If your initial deed allows you to Interact to draw a weapon more than once, this feat allows you to replace one of these Interact actions and use the other one to draw a weapon. You can't replace both Interact actions with Strikes, but you can draw a loaded firearm or crossbow with one of the actions and immediately shoot it with the other.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
GunslingerThis indicates abilities from the gunslinger class.