"Warships Broadside attack increased."—In-game description
Percussion Lock is a technology in Age of Empires III that can be researched by European and Asian civilizations at the Dock once the Fortress Age is reached and Carronade is researched. Once researched, it increases the damage dealt by warships' Broadside Attack ability by 50%.
|Dock technologies in Age of Empires III|
|Gill Nets · Long Lines · Armor Plating · Carronade · Rawhide Covers* · Flaming Arrows* · Percussion Lock · Cipactli Worship* · Ship's Howitzers|
|* introduced in The WarChiefs|