July 2016
- Increased start damage from 14 to 15
- Increased end damage from 12 to 13
- Increased ammo capacity from 10 to 15
June 2016
- Decreased start damage from 14.8 to 14
- Decreased end damage from 13 to 12
- Decreased ammo capacity from 15 to 10
March 2016
- Increased regeneration upgrade multiplier from 1.1 to 1.25