Complete the following task to unlock the corresponding upgrade.

Upgrade	How to unlock
Ammunition Upgrade 1	Use a grenade to kill one Grunt. This increases ammo capacity.
Ammunition Upgrade 2	Kill an enemy with a Death From Above. This increases your ammo capacity.
Faster Reload 1	Defeat one Biomech. This decreases the reload rate of the Yelena.
Faster Reload 2	Use the Kite ability on 15 Grunts and kill them in the air. This decreases the reload rate of the Yelena.
Firestorm	Kill three Grunts with one Bulldog shot. This increases the blast radius for the Bulldog.
Hip Shot	Kill 10 Grunts. This increases shot accuracy for Tungsten.
Hollow Point	Destroy one Polycraft. Tungsten damage will be increased (one of two).
In Your Face	Kill two Grunts with a single Hiker shot. The rate of fire on the Hiker will be increased.
Light Armor	Kill a Grunt in hand-to-hand. This increases how much damage you can take.
No Clipping	Defeat the Mohole. This increases ammo capacity for the SJMG)
Precision	Shoot an enemy while zoomed in with the pistol. This decreases the bullet spread when zoomed-in with the Tungsten.
Red Matrix	Defeat the Mohole. Red Matrix doors can now be opened.
Reloaded	Kill two Grunts with the Bulldog while swinging. This decreases the Bulldog reload time
Six Shooter	Destroy the Buraq. The Tarantula can now lock on to six targets simultaneously.
Sledgehammer	Kill three Grunts with the Hiker while swinging. Hiker damage is increased.
Super Charges	Kill one Grunt with a Whip Spin attack. Tungsten damage has been increased (two of two).
The Bullet Hoser	Kill three Biomechs in hand-to-hand combat. This increases rate of fire of the SJMG.
White Matrix	Defeat the Constructor. White Matrix doors can now be opened.