When you or your team kills a Mutation gain 1% damage (up to 15%) until the end of the level.

You can equip a Primary weapon in your Secondary slot. - 25% Swap Speed

+ 10% Effective Bullet Range + 15% Recoil Control + 25% Bullet Penetration + 25% Aim Speed

Every 0.75 seconds you Aim Down Sights increases your Bullet Damage by 10% (up to 3 stacks).

+ 5% Bullet Damage + 1.5 Bullet Stumble Damage + 7.5 Melee Stumble Damage

+ 30% Rifle Ammo Capacity + 10% Damage with Assault rifles and LMGs

+ 25% Ammo Capacity + 2.5% Bullet Damage

+ 75% Ammo Capacity - 5% Move Speed

Reloading a gun within 1 second of reaching low ammo will increase its magazine size by 30% until the next reload.

+ 30% Shotgun Ammo Capacity + 10% Damage with Shotguns

When you stow your weapon, it reloads.

+ 35% Move Speed while firing with Shotguns. + 10% Damage with Shotguns.

+ 20% Reload Speed + 25% Weapon Swap Speed

+ 30% Reload Speed - 5% Damage Resistance

Each bullet hit causes the target to take 1% increased damage for 3 seconds (stacks up to 15%)