An armor piercing automatic receiver is a weapon mod for the 10mm pistol, the assault rifle, the combat rifle, the combat shotgun and the pipe gun in Fallout 4.


An armor piercing automatic receiver provides an improved rate of fire and armor penetration, in exchange for reduced range and inferior damage. Attaching this receiver to a weapon converts it into a fully automatic weapon. This change also causes the perk which affects the weapon's damage to be changed to Commando over either Gunslinger or Rifleman.

Due to the way damage is calculated in Fallout 4, what 40% Armor Piercing does is actually increasing your damage output by +20% on ANY foe.


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

Adhesive (3-5)
Aluminum (0-9)
Gears (2-5)
Oil (3-6)
Screw (3-7)
Steel (0-5)
Icon range
Gun Nut (1-3)
Icon level
Armor piercing automatic receiver (1)

Weapon Gun Nut Adhesive Aluminum Gears Oil Screw Steel
10mm pistol 1 4 0 5 3 4 5
Assault rifle 3 5 9 5 6 7 0
Combat rifle 2 3 8 4 5 5 0
Combat shotgun 2 3 4 4 6 6 0
Pipe gun 1 3 0 2 3 3 4


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