Home Run

"Nobody's gonna call "Foul ball" when you use this custom clubber. ...Especially since you're clubbing zombies, not baseballs."

In-game description

Home Run is a weapon modification available in Dying Light. It applies a medium impact effect and can be used on Bats, Crowbars Hammers, Hatchets, Military Shovels, Picks, Pickaxes, Pipes, Police Batons, and Wrenches.

Blueprint

Blueprint	Requirements		Effects
Home Run	Metal Parts (1) Duct Tape (1) Nails (1) Chemicals (2) Power Cable (1)	Bat Crowbar Hammer Hatchet Military Shovel Pickaxe Pick Pipe Police Baton Wrench	Impact - Medium

In The Slums, at the shed below the signal tower where Alexei was staying before being attacked. It was below a shelf near a number of boxes

Location of the signal tower where the player can start and perform the quest leading to this blueprint
The blueprint sitting atop a crate

The player can get this blueprint during the sidequest after the cutscene where Rais' men arrived. This can prove useful if the player wishes to do last minute upgrades to their weapons before fighting the men