Modified bowling ball schematic

The modified bowling ball schematic is a junk item in Fallout 4 add-on Far Harbor.

Characteristics
Schematic to build a modified bowling ball, the ammo used for The Striker (a Legendary mod for the Fat Man).

Location
Beaver Creek Lanes, in a terminal in the office on the second floor alongside a chemistry station, a weapons workbench, The Striker and four modified bowling balls.