Refresher

Refresher is a perk that appears on certain Legendary variants of weapons. Its has the ability of when on a 5 kill streak, your lethal and tactical slot will be refilled by 1. If you have 2 lethals/tactical, they can not be repleneshed to 3. The only weapons known to have the Refresher Perk are the KBAR-32 Hoard and the Hailstorm Malevolent.