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The Radium Rifle irradiates bullets as they are fired, causing ballistic damage, with an extra kick of radiation damage that is deadly to humans.Loading screen hint

The radium rifle is a weapon in the Fallout 4 add-on Far Harbor.

Characteristics[]

The radium rifle is a pre-War carbine that has been modified to deal radiation damage.

Its regular wooden and steel rifle components have been upgraded with all manner of wiring and circuitry, among them what looks like two sets of gamma rounds on the barrel in front of the ejection port. A crudely made dish fashioned from wire and tin foil surrounds the muzzle on long-barreled variants and is somewhat reminiscent of the gamma gun. With the ported variant of the long barrel, looking at the weapon from the front shows the dish's foil parts forming the well-known radiation warning symbol with the barrel representing the center point.

The radium rifle's upgrade options are largely identical to those of the combat rifle, with the notable differences of requiring much higher levels of the Gun Nut and Science! perks, and the inability to attach a recon scope or a .308 receiver. Its considerable radiation damage per shot makes it more dangerous to regenerating enemies like Legendary enemies, but especially to the Sole Survivor. Enemies without good radiation resistance will succumb to rad poisoning very quickly when under fire from even one radium rifle.

Some downsides to the radium rifle include obstructive iron sights with protruding components, heavy recoil when fired with an automatic receiver, and slow reload speeds, though these can largely be remedied with weapon modifications.

Weapon modifications[]

Receiver
ModDescriptionWeapon prefixDamage per shot changeFire rate changeRange changeAccuracy changeMagazine capacity (shots per reload) changeWeight changeWeapon value change in capsEffect(s)Perk(s) requiredComponentsForm ID
Standard receiverStandard.Adhesive x1
Circuitry x1
Gears x2
Nuclear material x1
Oil x3
Screw x2
Spring x2
Steel x4
xx03EC5E
Light frame receiverLighter weight. Reduced damage.Light-2-3.6+6Adhesive x1
Aluminum x4
Circuitry x1
Gears x2
Nuclear material x1
Oil x2
Screw x2
xx03EC59
Heavy frame receiverHeavier weight. Improved damage.Heavy+2+3.4+10Adhesive x1
Circuitry x1
Gears x2
Nuclear material x1
Oil x2
Screw x2
Steel x6
xx03EC58
Calibrated receiverBetter critical shot damage.Calibrated+1+0.6+18Adhesive x2
Circuitry x1
Gears x3
Nuclear material x2
Oil x3
Screw x3
Steel x6
xx03EC55
Hardened receiverBetter damage.Hardened+6+0.9+26Adhesive x3
Circuitry x2
Gears x3
Nuclear material x2
Oil x2
Screw x4
Steel x8
xx03EC5A
Automatic receiverImproved rate of fire. Inferior damage and range.Automatic-6+50-12-5+1.3+30Gun Nut 1
Science! 1
Adhesive x3
Circuitry x1
Gears x4
Nuclear material x2
Oil x4
Screw x4
Steel x9
xx03EC4F
Armor piercing automatic receiverImproved rate of fire and armor penetration. Reduced range. Inferior damage.Armor piercing automatic-6+50-12-5+1.6+34Gun Nut 1
Science! 2
Adhesive x3
Aluminum x8
Circuitry x1
Gears x4
Nuclear material x2
Oil x3
Screw x5
xx03EC50
Hair trigger receiverMore sensitive trigger. Better rate of fire.Hair trigger+19-2+0.2+14Gun Nut 1
Science! 2
Adhesive x5
Aluminum x9
Circuitry x1
Gears x4
Nuclear material x1
Oil x4
Screw x5
xx03EC57
Powerful receiverSuperior damage.Powerful+20+1.6+42Gun Nut 1
Science! 2
Adhesive x5
Aluminum x9
Gears x4
Nuclear material x3
Oil x3
Screw x5
xx03EC5B
Hardened automatic receiverImproved rate of fire. Reduced damage. Inferior range.Hardened automatic+50-12-5+2.0+46Gun Nut 2
Science! 3
Adhesive x4
Aluminum x9
Circuitry x2
Gears x4
Nuclear material x3
Oil x3
Screw x6
xx03EC51
Rapid automatic receiverSuper rate of fire. Inferior range. Inferior damage.Rapid-6+73-12-7+2.0+50Gun Nut 2
Science! 3
Adhesive x5
Aluminum x9
Circuitry x1
Gears x5
Nuclear material x3
Oil x4
Screw x6
xx03EC54
Calibrated powerful receiverSuperior damage. Better critical shot damage and accuracy.Calibrated powerful+20+1+2.3+54Gun Nut 2
Science! 3
Adhesive x5
Aluminum x10
Circuitry x3
Gears x5
Nuclear material x3
Oil x3
Screw x6
xx03EC5C
Hardened piercing auto receiverImproved rate of fire and armor penetration. Reduced damage and range.Hardened piercing automatic+50-12-5+2.7+62Gun Nut 2
Science! 3
Adhesive x6
Aluminum x11
Circuitry x2
Gears x6
Nuclear material x4
Oil x2
Screw x7
xx03EC52
Advanced receiverExceptional damage.Advanced+33+3.0+74Gun Nut 3
Science! 4
Adhesive x7
Aluminum x12
Circuitry x4
Gears x6
Nuclear material x5
Oil x2
Screw x8
xx03EC5D
Powerful automatic receiverImproved damage and rate of fire. Inferior range.Powerful automatic+10+50-12-5+3.4+70Gun Nut 3
Science! 4
Adhesive x8
Aluminum x13
Circuitry x3
Gears x6
Nuclear material x4
Oil x3
Screw x8
xx03EC53
Barrel
ModDescriptionWeapon prefixDamage per shot changeFire rate changeRange changeAccuracy changeMagazine capacity (shots per reload) changeWeight changeWeapon value change in capsEffect(s)Perk(s) requiredComponentsForm ID
Standard barrelStandard.ShortAdhesive x1
Screw x3
Steel x3
xx03EC48
Long barrelSuperior range and sighted accuracy. Better recoil. Poor hip-fire accuracy.+84+2+1.8+8Science! 1Adhesive x2
Copper x3
Screw x3
Steel x6
xx03EC46
Long ported barrelSuperior recoil, range and sighted accuracy. Poor hip-fire accuracy.Ported+84+3+1.8+24Gun Nut 1
Science! 3
Adhesive x6
Aluminum x8
Screw x4
Silver x4
xx03EC47
Stock
ModDescriptionWeapon prefixDamage per shot changeFire rate changeRange changeAccuracy changeMagazine capacity (shots per reload) changeWeight changeWeapon value change in capsEffect(s)Perk(s) requiredComponentsForm ID
Short stockExceptional sighted accuracy. Better aim with scopes. Improved recoil and bash.Adhesive x2
Screw x5
Wood x5
xx03EC4B
Full stockExceptional sighted accuracy. Better recoil and aim with scopes. Improved bash.+0.8+8Gun Nut 1
Science! 3
Adhesive x4
Screw x6
Wood x7
xx03EC49
Markman's stockExceptional sighted accuracy. Superior recoil and aim with scopes. Improved bash.Marksman's+1.5+16Gun Nut 1
Science! 3
Adhesive x5
Aluminum x6
Rubber x2
Screw x6
Spring x3
xx040806
Recoil compensating stockExceptional sighted accuracy and recoil. Better aim with scopes. Improved bash.Recoil compensated+2+1.8+24Gun Nut 1
Science! 3
Adhesive x6
Aluminum x7
Rubber x3
Screw x8
Spring x6
xx03EC4A
Magazine
ModDescriptionWeapon prefixDamage per shot changeFire rate changeRange changeAccuracy changeMagazine capacity (shots per reload) changeWeight changeWeapon value change in capsEffect(s)Perk(s) requiredComponentsForm ID
Standard magazineStandard.Adhesive x4
Nuclear material x1
Screw x3
Spring x3
Steel x5
xx03EC4D
Large magazineSuperior ammo capacity. Inferior reload speed.High capacity+20+0.7+14Science! 2Adhesive x5
Nuclear material x2
Screw x4
Spring x5
Steel x6
xx03EC4C
Quick eject magSuperior reload speed.Quick+0.4+26Gun Nut 1
Science! 3
Adhesive x6
Aluminum x3
Nuclear material x1
Oil x3
Screw x3
Spring x6
xx0407E8
Large quick eject magSuperior ammo capacity. Improved reload speed.Quick high capacity+20+1.1+42Gun Nut 2
Science! 4
Adhesive x7
Aluminum x10
Nuclear material x2
Oil x5
Screw x4
Spring x8
xx0407E7
Sights
ModDescriptionWeapon prefixDamage per shot changeFire rate changeRange changeAccuracy changeMagazine capacity (shots per reload) changeWeight changeWeapon value change in capsEffect(s)Perk(s) requiredComponentsForm ID
Standard sightsStandard.Adhesive x1
Steel x2
xx03EC61
Glow sightsImproved focus and better sighted accuracy.Glow-sighted+1+6Adhesive x2
Nuclear material x2
Steel x2
xx03EC62
Short scopeImproved magnification. Superior sighted accuracy.Scoped+16+1.3+14Adhesive x2
Glass x1
Screw x2
Steel x2
xx03EC5F
Reflex sightBetter focus and sighted accuracy.Tactical+7+0.6+18Adhesive x2
Aluminum x2
Glass x1
Nuclear material x2
Screw x2
Silver x1
xx03EC60
Medium scopeBetter magnification. Superior sighted accuracy.Scoped+23+1.6+30Gun Nut 1
Science! 3
Adhesive x3
Glass x2
Screw x2
Steel x3
xx040801
Long scopeSuperior magnification and sighted accuracy.Scoped+36+2.0+38Gun Nut 2
Science! 3
Adhesive x4
Glass x4
Screw x2
Steel x4
xx040803
Short night vision scopeNight vision. Improved magnification. Superior sighted accuracy.Night-vision+16+1.3+50Gun Nut 2
Science! 3
Adhesive x4
Aluminum x4
Circuitry x1
Fiber optics x1
Glass x2
Nuclear material x2
Screw x2
Silver x2
xx0407FE
Medium night vision scopeNight vision. Better magnification. Superior sighted accuracy.Night-vision+23+1.6+58Gun Nut 2
Science! 3
Adhesive x4
Aluminum x5
Circuitry x2
Fiber optics x1
Glass x4
Nuclear material x4
Screw x2
Silver x2
xx040800
Long night vision scopeNight vision. Better magnification. Superior sighted accuracy.Night-vision+36+2.0+66Gun Nut 2
Science! 4
Adhesive x5
Aluminum x6
Circuitry x2
Fiber optics x2
Glass x5
Nuclear material x6
Screw x2
xx040802
Muzzle
ModDescriptionWeapon prefixDamage per shot changeFire rate changeRange changeAccuracy changeMagazine capacity (shots per reload) changeWeight changeWeapon value change in capsEffect(s)Perk(s) requiredComponentsForm ID
No muzzle
CompensatorImproved per-shot recoil. Improved recoil control. Reduced range.Compensated-12+2+1.4+40Gun Nut 1
Science! 3
Adhesive x3
Aluminum x4
Nuclear material x1
xx0407F1
Muzzle brakeExceptional recoil control. Better per-shot recoil. Inferior range.Muzzled-18+2+1.4+60Gun Nut 1
Science! 3
Adhesive x4
Aluminum x5
Nuclear material x1
xx0407F0
SuppressorSuppresses sound from firing. Exceptional per-shot recoil. Improved recoil control. Poor range.Suppressed-30+2+1.8+80Gun Nut 1
Science! 4
Adhesive x5
Aluminum x7
Nuclear material x1
Plastic x4
Screw x3
xx0407EF

Variants[]

Locations[]

  • Frequently carried by Children of Atom on the Island, especially by Zealots in and around the Nucleus.
  • Several rifles can be found lying around in Children of Atom territory.
  • Can be purchased from weapon vendors across the Island.
  • One can be found in the cabin at Kawaketak Station.

Notes[]

  • With this weapon, there is no moving bolt involved in cycling the action. Instead, the entire front of the barrel gets pushed back into the upper receiver. This can be seen via the handle welded onto the side of the barrel, that is charged back when cycling the bolt.
  • The "long" barrel modifications do not actually increase the length of the rifle's barrel but instead fix a foil dish to it.

Behind the scenes[]

Radium is a chemical element well known for being highly radioactive.

Bugs[]

PCPC Playstation 4Playstation 4 The fire rate for the various automatic receivers will read as 300 in the inventory displays (personal, container, merchant), with the correct value (90) being shown only in the workbench display. Contrary to reports based on the bugged display values, the automatic Radium rifles do not have a faster rate of fire than a minigun. It is unknown what causes or remedies this for now, but has been noted by various players.[verified]

Gallery[]

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