"Infantry armed with firearms have their attack increased."—In-game description
Paper Cartridge is a technology in Age of Empires III that can be researched by European civilizations at the Arsenal once the Advanced Arsenal Home City Card has been sent; the Japanese can also research it at the Golden Pavilion wonder. Once researched, it increases the attack of gunpowder infantry by 15%.
|Infantry||Infantry Breastplate · Counter Infantry Rifling · Socket Bayonet · Flint LockA · Paper CartridgeA · Military DrummersA|
|Cavalry||Cavalry Cuirass · Ranged Cavalry Caracole · PillageA|
|Artillery||Gunner's Quadrant · Heated Shot · Professional GunnersA · TrunionA · Incendiary GrenadesG|
|A requires the Advanced Arsenal Home City Card|
G only available to civilizations with Grenadiers