Research granular gunpowder

Research granular gunpowder is an upgrade in Cossacks 3, available at the Academy.

Background
The development of firearms proceeded not only the path of design improvement, but also of powder perfection. Initially firearms were loaded with regular gunpowder. Later scientists discovered that granular powder combustion is much more efficient than that of regular gunpowder. The introduction of this invention improved the power of a bullet and increased the range of fire.

Effect

 * Fire power +15%