Upgrade Pistols

Category:Abilities
"You can tinker with any standard pistol or SMG, improving one aspect of your choice: damage, accuracy, or rate of fire. This requires a box of pistol parts. Simply target a standard pistol and use the ability." - in-game description
The Upgrade Pistol skill allows you to upgrade any valid weapon (Crow 10mm, Vulture 44, Lawbringer, Python, Thumper, Thunderbolt) you're currently looking at with a box of Pistol Parts. It is a Hardware ability and requires a skill level of 15 to acquire.