Plan: Gauss shotgun extended barrel

Plan: Gauss shotgun extended barrel is a weapon mod plan $$

Locations

 * Can be bought from Samuel in Foundation for 150 gold bullion with the maximum Settlers reputation of Ally.
 * The plan is also sold by Minerva as part of her rotating inventory.

Unlocks
This plan unlocks crafting of the extended barrel for the Gauss shotgun at a weapons workbench.