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The prime receiver is a weapon mod for several weapons in Fallout 76.

Effects

The prime receiver greatly increases weapon damage and deals bonus damage to scorchbeasts and Scorched. It comes at the cost of requiring expensive ultracite ammo variants instead of standard ballistic munitions.

  • +25% Attack (+60% Attack against Scorched)
  • +100% value

Crafting

Weapon modifications will modify an existing weapon, and any modifications previously equipped on the weapon will be destroyed, not unequipped. Loose mods cannot be crafted. Plans can be found on both the scorchbeast queen and regular scorchbeasts, with a chance of 2.63% and 0.13% respectively.

.44 pistol
Materials:Requirements:Produces:
Screw (4)
Steel (4)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime .44 receiver
Perks:
Prime receiver (1)
10mm pistol
Materials:Requirements:Produces:
Gear (10)
Oil (8)
Screw (8)
Steel (12)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime 10mm receiver
Perks:
Prime receiver (1)
10mm submachine gun
Materials:Requirements:Produces:
Gear (10)
Oil (6)
Screw (8)
Steel (12)
Build at:
Learn Method:
Perks:
Prime receiver (1)
50 cal machine gun
Materials:Requirements:Produces:
Gear (4)
Oil (6)
Screw (6)
Steel (10)
Build at:
Learn Method:
Perks:
Prime receiver (1)
Assault rifle
Materials:Requirements:Produces:
Gear (8)
Oil (8)
Screw (10)
Steel (16)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime assault rifle receiver
Perks:
Prime receiver (1)
Combat rifle
Materials:Requirements:Produces:
Oil (6)
Screw (4)
Spring (4)
Steel (8)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime combat rifle receiver
Perks:
Prime receiver (1)
Combat shotgun
Materials:Requirements:Produces:
Gear (6)
Oil (8)
Screw (10)
Steel (12)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime combat shotgun receiver
Perks:
Prime receiver (1)
Double-barrel shotgun
Materials:Requirements:Produces:
Oil (8)
Screw (8)
Steel (8)
Wood (10)
Build at:
Learn Method:
Perks:
Prime receiver (1)
Gatling gun
Materials:Requirements:Produces:
Copper (16)
Gear (18)
Screw (10)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime Gatling gun receiver
Perks:
Prime receiver (1)
Gatling laser
Materials:Requirements:Produces:
Screw (10)
Steel (16)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime Gatling laser receiver
Perks:
Prime receiver (1)
Gatling plasma
Materials:Requirements:Produces:
Copper (15)
Gear (12)
Rubber (14)
Steel (12)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime Gatling plasma receiver
Perks:
Prime receiver (1)
Gauss pistol
Materials:Requirements:Produces:
Gear (10)
Oil (8)
Screw (8)
Steel (12)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime Gauss pistol receiver
Perks:
Prime receiver (1)
Gauss shotgun
Materials:Requirements:Produces:
Gear (10)
Oil (8)
Screw (8)
Steel (12)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime Gauss shotgun receiver
Perks:
Prime receiver (1)
Handmade rifle
Materials:Requirements:Produces:
Gear (4)
Oil (6)
Screw (3)
Steel (5)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime handmade rifle receiver
Perks:
Prime receiver (1)
Hunting rifle
Materials:Requirements:Produces:
Gear (16)
Oil (10)
Screw (16)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime hunting rifle receiver
Perks:
Prime receiver (1)
Lever action rifle
Materials:Requirements:Produces:
Gear (4)
Oil (6)
Screw (6)
Steel (10)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime lever gun receiver
Perks:
Prime receiver (1)
Pipe bolt-action
Materials:Requirements:Produces:
Gear (4)
Oil (5)
Screw (8)
Steel (8)
Build at:
Learn Method:
Perks:
Prime receiver (1)
Pipe gun
Materials:Requirements:Produces:
Gear (4)
Oil (5)
Screw (8)
Steel (8)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime pipe gun receiver
Perks:
Prime receiver (1)
Pipe revolver
Materials:Requirements:Produces:
Gear (4)
Oil (5)
Screw (8)
Steel (8)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime pipe revolver receiver
Perks:
Prime receiver (1)
Pump action shotgun
Materials:Requirements:Produces:
Oil (10)
Screw (10)
Silver (4)
Spring (12)
Steel (7)
Build at:
Learn Method:
Perks:
Prime receiver (1)
Radium rifle
Materials:Requirements:Produces:
Gear (8)
Oil (8)
Rubber (4)
Screw (10)
Silver (15)
Steel (16)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime radium rifle receiver
Perks:
Prime automatic receiver (1)
Railway rifle
Materials:Requirements:Produces:
Gear (12)
Oil (16)
Screw (12)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime railway rifle receiver
Perks:
Prime receiver (1)
Single action revolver
Materials:Requirements:Produces:
Gear (4)
Oil (6)
Screw (6)
Steel (10)
Build at:
Learn Method:
Perks:
Prime receiver (1)
Submachine gun
Materials:Requirements:Produces:
Gear (8)
Oil (12)
Screw (10)
Steel (8)
Build at:
Learn Method:
Learned from plan/recipe
Plan: Prime submachine gun receiver
Perks:
Prime receiver (1)
Ultracite Gatling laser
Materials:Requirements:Produces:
Rubber (4)
Screw (10)
Steel (16)
Build at:
Learn Method:
Perks:
Prime receiver (1)
Western revolver
Materials:Requirements:Produces:
Gear (2)
Oil (4)
Screw (4)
Steel (8)
Build at:
Learn Method:
Perks:
Prime receiver (1)

ID Table

Weapon OMOD editor ID OMOD ID
.44 pistol mod_44_receiver_AntiScorchBeast 00470A0A
10mm pistol mod_10mm_Receiver_SemiAuto_AntiScorchBeast 00470A08
10mm submachine gun mod_10mmSMG_Receiver_AntiScorchBeast 00470A09
50 cal machine gun mod_50CalMachineGun_Receiver_AntiScorchBeast 00470A0B
Assault rifle mod_AssaultRifle_receiver_SemiAuto_AntiScorchBeast 00470A0D
Combat rifle mod_CombatRifle_receiver_AntiScorchBeast 00470A0E
Combat shotgun mod_CombatShotgun_receiver_AntiScorchBeast 00470A10
Double-barrel shotgun mod_DoubleBarrelShotgun_receiver_AntiScorchBeast 00470A12
Gatling gun mod_GatlingGun_Receiver_AntiScorchBeast 00470A14
Gatling laser mod_GatlingLaser_receiver_AntiScorchBeast 00470A15
Gatling plasma mod_GatlingPlasma_Receiver_AntiScorchBeast 00470A16
Gauss pistol mod_GaussPistol_Receiver_AntiScorchBeast 005A2438
Gauss shotgun mod_GaussShotgun_receiver_AntiScorchBeast 0057373A
Handmade rifle DLC04_mod_HandMadeGun_Receiver_AntiScorchBeast 00470A01
Hunting rifle mod_HuntingRifle_receiver_AntiScorchBeast 00470A18
Lever action rifle DLC03_mod_LeverGun_receiver_AntiScorchBeast 00470A00
Pipe bolt-action mod_PipeBoltAction_receiver_AntiScorchBeast 00470A1C
Pipe gun mod_PipeGun_receiver_AntiScorchBeast 00470A1D
Pipe revolver mod_PipeRevolver_receiver_AntiScorchBeast 00470A1F
Pump action shotgun mod_PumpActionShotgun_receiver_AntiScorchBeast 00470A21
Radium rifle mod_RadiumRifle_Receiver_AntiScorchBeast 00470A22
Railway rifle mod_RailwayRifle_Receiver_AntiScorchBeast 00470A24
Single action revolver mod_SingleActionRevolver_Receiver_AntiScorchBeast 00470A25
Submachine gun mod_SubmachineGun_Receiver_AntiScorchBeast 00470A26
Ultracite Gatling laser mod_Ultracite_GatlingLaser_receiver_AntiScorchBeast 00470A27
Western revolver DLC04_mod_Revolver_Receiver_AntiScorchBeast 00470A03

Location

Plans for the prime receivers for various weapons can only be attained from the corpse of the scorchbeast queen upon killing her and looting her body at the end of Scorched Earth, but only if the player character took part in delivering the killing blow to the queen or delivered a large portion of the damage to her before she dies.

See also