Hi guys,
This weapon can be obtained from the Mystery Wheel but to unlock this achievement, you'll need to find three parts to upgrade it. Here are all the steps related to this achievement:
- Obtain the crowbar inside the storage room near the blueprint table (behind Bombstoppers)
- Obtain the grip by meleeing the fusebox with the crowbar outside of the restroom in the camper area
- Obtain the plunger by meleeing the fusebox with the crowbar behind the Gas Station
- Obtain the crank via meleeing the fusebox with the crowbar outside of the TV Station
Happy hunting!