Hardened receiver (Fallout 4)

A hardened receiver is a weapon mod for the .44 pistol, the 10mm pistol, the assault rifle, the combat rifle, the combat shotgun, the Deliverer, the double-barrel shotgun, the hunting rifle, the pipe bolt-action pistol, the pipe gun, the pipe revolver and the submachine gun in Fallout 4.

Effects
A hardened receiver provides better damage to the modded weapon.

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

Location
Can be crafted at a weapons workbench.