Advanced receiver (Fallout 4)

An advanced receiver is a weapon mod for the .44 pistol, the 10mm pistol, the assault rifle, the combat shotgun, the double-barrel shotgun, the Deliverer and the lever-action rifle in Fallout 4.

Effects
An advanced receiver is the most powerful of the semiautomatic receiver mods one can build or acquire, offering better performance across the board than other such receivers. It offers a more sensitive trigger, improved rate of fire, and damage which is highest of the receivers available (a 75% increase before perks). However, it is generally the last one unlocked, or very rare to find.

Location
Craftable at a weapons workbench or found randomly on various weapons.