Stun pack

The stun pack is a weapon mod for the baton, the revolutionary sword and the super sledge in Fallout 4.

Effects
The stun pack adds "electric" damage to the weapon, though this is in fact energy damage, and has a chance to stun targets after striking them.

Production
The recipe for this weapon mod varies depending on the weapon for which it is made:

Location
Crafted at a weapons workbench.