Weapon skill

The skills in Deus Ex include five weapon skills, each increasing the effectiveness of a corresponding type of weapon.

List of weapon skills

 * Weapons: Heavy
 * Weapons: Pistol
 * Weapons: Rifle
 * Weapons: Low-Tech
 * Weapons: Demolition

Standard weapon skill bonuses
The following bonuses are universal to all five weapon skills: The following bonuses are provided by multiple weapon skills, but are inapplicable to certain weapon skills.
 * Accuracy 
 * From untrained to master: +0%, +5%, +12%, and +25% increase in accuracy.
 * Damage 
 * From untrained to master: +0, +20%, +50%, and +100% increase in damage.
 * In the inventory interface, this bonus is incorrectly displayed as half of its actual value.
 * Recoil
 * From untrained to master: -0, -0.2, -0.5, and -1 reduction in recoil.
 * Reload time 
 * From untrained to master: 0, 10%, 25%, and 50% reduction of the duration of the middle portion of the reload animation.
 * This bonus is not displayed in the inventory interface.

The pistol, rifle, and low-tech skills only provide standard weapon skill bonuses. The heavy and demolition skills provide additional bonuses different from any of the standard bonuses.