Hardened automatic receiver (Fallout 4)

A hardened automatic receiver is a weapon mod for the 10mm pistol, the assault rifle, the combat rifle, the combat shotgun and the pipe gun $$

Effects
A hardened automatic receiver provides an improved rate of fire, in exchange for reduced damage and an inferior range.

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

Location
Crafted at a weapons workbench.