Ammo is a stat that dictates the maximum number of bullets that can be stored and fired from a weapon. As the weapon is fired, the number of available bullets decreases from the maximum to zero, at which point no more bullets can be fired. Weapons can be reloaded to regain bullets up to the maximum.

Math

The formula for clip size increase is:  

Sources

List of items
Name CostCategoryStat change
  Basic Magazine500Weapon+26% Ammo
  Active Reload1,250Weapon+18% Ammo
  Berserker1,250Weapon+4 Ammo
  Fleetfoot1,250Weapon+30% Ammo
  Kinetic Dash1,250Weapon+5 Ammo
  Swift Striker1,250Weapon+10% Ammo
  Intensifying Magazine3,000Weapon+25% Ammo
  Titanic Magazine3,500Weapon+120% Ammo
  Frenzy6,200Weapon+12 Ammo
  Lucky Shot6,200Weapon+30% Ammo
  Ricochet6,200Weapon+35% Ammo
  Shadow Weave6,200Weapon+30% Ammo
  Vampiric Burst6,200Weapon+75% Ammo
  Extra Regen500Vitality+10% Ammo
  Reactive Barrier1,250Vitality+20% Ammo
  Veil Walker3,000Vitality+15% Ammo
  Ammo Scavenger500Spirit+15% Ammo
  Infuser500Spirit+10% Ammo
  Improved Cooldown1,250Spirit+10% Ammo
  Superior Cooldown4,250Spirit+15% Ammo
  •   Melee Charge has a chance to either reload the player's weapon instantly or give up to +100% bonus ammo when hitting a Heavy Melee attack against an enemy.

Map spawns

  • Golden Statues can provide a permanent increase: +4% Ammo before 15 minutes, or +6% Ammo after 15 minutes.
  • Power up runes can provide a temporary Gun buff that provides +40% Ammo for 160 seconds.