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Gametitle-FO4
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The Gauss Rifle uses magnetic induction to propel a projectile at incredible and devastating speed. Each shot can be "charged" for maximum damage by keeping the trigger held in for a moment before releasing.

The Gauss rifle is a weapon in Fallout 4.

Characteristics

Unlike the earlier iterations of the Gauss rifle from Fallout 3 and New Vegas, this rifle appears to be a crude prototype weapon. Capacitors and exposed copper wiring run alongside the barrel, and a nixie tube display above the stock gives the weapon's charge percentage. The rifle operates on a charging principle: the user holds down the trigger to build up the charge, and releasing the trigger fires a round but even without charging it is still able to inflict a hefty punch. It is fed rounds through a dorsal mounted cylindrical magazine and its projectile produces a momentary blue trail, similar to a lightning bolt.

Although heavy and crude looking, the Gauss rifle is able to deliver massive damage when fully charged, outclassing a hunting rifle chambered in .50 caliber in its base state. Its ability to be modded with more capacitors, a shielded barrel, and a compensator or suppressor make it a lethal tool for the patient marksman. Unfortunately, the weapon is not particularly accurate in its default state; it can be frustratingly inaccurate whilst attempting to hit a distant humanoid target with its default iron sights (particularly while attempting to use a charged shot).

Upgrading the weapon with alternate sights or a scope is highly recommended. However, with the sole exception of the short scope, the Gauss rifle requires a heavy investment in both the Gun Nut and Science! perk to make any modifications to it. Like the M72 Gauss rifle used in 2241, it is chambered for the rare and expensive 2mm EC rounds as opposed to the microfusion cells used by the Anchorage-era variants.

Weapon modifications

Slot Mod Description Weapon prefix Damage per shot change
Fire rate change
Range change Accuracy change
Magazine capacity (shots per reload) change
Weight change
Weapon value change in caps
Perk needed Components Base ID
Barrel Standard barrel Standard. Adhesive x4
Aluminum x10
Screw x5
001889F6
Shielded barrel Better range and damage. Shielded +31 +24 +37 Gun Nut 3 Adhesive x9
Aluminum x15
Lead x10
Screw x8
001889F5
Stock Standard stock Standard. Adhesive x5
Screw x6
Wood x8
001889F8
Recoil compensating stock Exceptional recoil. Recoil compensated +7 +1.3 +30 Gun Nut 4 Adhesive x8
Aluminum x9
Rubber x2
Screw x8
Spring x6
001889F7
Capacitors Half capacitors Standard. Adhesive x4
Aluminum x2
Circuitry x4
Nuclear material x2
Screw x4
Silver x2
Spring x4
001C34BC
Full capacitors Superior ammo capacity. Better damage. High capacity +31 +3 +0.4 +37 Gun Nut 3
Science! 2
Adhesive x6
Aluminum x4
Circuitry x8
Nuclear material x4
Screw x8
Silver x4
Spring x8
001C34BB
Capacitor boosting coil Exceptional ammo capacity. Superior damage. Maximum capacity +63 +13 +2 +82 Gun Nut 4
Science! 3
Adhesive x8
Aluminum x4
Circuitry x8
Gold x5
Nuclear material x5
Screw x10
Spring x10
001C34BA
Sights Standard sights Standard. Adhesive x2
Aluminum x2
Steel x3
????????
Short scope Improved magnification. Superior sighted accuracy. Scoped +12 +1.4 +27 Adhesive x2
Glass x1
Screw x2
Steel x3
001889FA
Gauss reflex sight Better focus and sighted accuracy. Tactical +3 +1.3 +34 Gun Nut 3
Science! 1
Adhesive x2
Aluminum x2
Glass x1
Nuclear material x2
Screw x2
Silver x1
00238A5F
Medium scope Better magnification. Superior sighted accuracy. Scoped +19 +1.8 +57 Gun Nut 4
Science! 1
Adhesive x3
Glass x2
Screw x2
Steel x4
001C34C0
Long scope Superior magnification and sighted accuracy. Scoped +32 +2.3 +72 Gun Nut 4
Science! 1
Adhesive x4
Glass x4
Screw x4
Steel x5
001C34BE
Short night vision scope Night vision. Improved magnification. Superior sighted accuracy. Night-vision +12 +1.4 +94 Gun Nut 4
Science! 2
Adhesive x4
Aluminum x5
Circuitry x1
Fiber optics x1
Glass x2
Nuclear material x3
Screw x2
Silver x2
001C34C2
Medium night vision scope Night vision. Better magnification. Superior sighted accuracy. Night-vision +19 +1.8 +109 Gun Nut 4
Science! 2
Adhesive x4
Aluminum x6
Circuitry x2
Fiber optics x2
Glass x4
Nuclear material x4
Screw x2
Silver x2
001C34C1
Long night vision scope Night vision. Superior magnification and sighted accuracy. Night-vision +32 +2.3 +124 Gun Nut 4
Science! 2
Adhesive x5
Aluminum x7
Circuitry x3
Fiber optics x2
Glass x5
Nuclear material x6
Screw x4
001C34BF
Short recon scope Tracks targets. Improved magnification. Superior sighted accuracy. Recon +12 +2.6 +147 Gun Nut 4
Science! 1
Adhesive x6
Aluminum x8
Circuitry x4
Crystal x6
Fiber optics x4
Nuclear material x7
Screw x5
002492D9
Long recon scope Tracks targets. Improved magnification. Superior sighted accuracy. Recon +32 +2.6 +147 Gun Nut 4
Science! 1
Adhesive x6
Aluminum x8
Circuitry x4
Crystal x6
Fiber optics x4
Nuclear material x7
Screw x5
001C34C4
Muzzle No muzzle
Compensator Improved per-shot recoil. Improved recoil control. Reduced range. Compensated -12 +10 +1.6 +75 Gun Nut 3
Science!
Adhesive x6
Aluminum x7
Screw x4
001C34BD
Suppressor Suppresses sound from firing. Exceptional per-shot recoil. Improved recoil control. Poor range. Suppressed -30 +11 +2 +150 Gun Nut 4
Science! 2
Adhesive x8
Aluminum x9
Fiberglass x5
Screw x6
001889F9

Variants

Locations

  • 0, 2, 3, or 5 Gauss rifles can be found at Skylanes Flight 1981 and Skylanes Flight 1665. You need master lockpick to get them from a hidden compartment of the far most trunk under the cockpit. Note that this cache contains leveled loot (causing different versions of the corresponding manifest to spawn). Players below level 30 are unlikely to encounter Gauss rifles at this location.
  • A Gauss rifle is found on the Brotherhood of Steel's ship The Prydwen. It may be stolen as soon as the player character gets into the ship from the ship's armory.
  • Carried very often by level 35+ railroad heavies and rarely by Brotherhood power armor troops during Institute faction missions.
  • The Gauss rifle can be purchased from Weapons vendors after reaching Level 25.
  • A large quantity of Gauss rifles can be found during The Battle of Bunker Hill, as the constantly spawning Railroad and Brotherhood troops will carry them. One must however be quick in picking them up because NPCs will pick them up at the first chance.

Notes

  • The Gauss rifle, as the name implies, benefits from the Rifleman perk and not from Heavy Gunner, despite its heavy image.
  • Shots fired under the V.A.T.S seems to skip the precharging phase of the rifle, instantaneously dealing fully charged damage. The rifle also has the advantage of low AP cost as an energy weapon. Hence, firing the Gauss rifle under the V.A.T.S while having some AP restoration perks or armors allows the player character to continuously deal a large amount of damage.
  • Despite Gauss rifle variants in some previous games being classed as energy weapons, the Fallout 4 Gauss rifle exclusively inflicts "normal"/ballistic damage, barring legendary effects which can add additional damage types. This can be considered lore-consistent, since Gauss or coil guns fire a physical projectile that acts as a ballistic body, rather than the directed energy of laser weapons, or blasts of ionized matter fired by plasma weapons.
  • With 5 Points in the Rifleman perk, the Gauss rifle becomes capable of destroying almost any power armor pieces except torso pieces with one shot. It is also able to destroy a fusion core in one shot, but its extremely high damage may instantly kill the enemy, preventing them from exiting their power armor.
  • Its raw damage output per shot is outclassed only by the 6-crank laser musket and the Fat Man and its variants during general combat. However when stealth combat is involved, and a silencer is equipped; with the Mister Sandman perk 50% more sneak critical damage is dealt. A fully upgraded Gauss Rifle along with a fully upgraded Ninja perk will boost the sneak critical to 5.25x the base damage (6.3x with Deacon's Cloak and Dagger perk), you combine that with Rifleman 5 and you can do approximately 2000+ ballistic damage. One of the highest amounts of single shot damage if not the highest. During a field test with the 6-crank laser musket at its highest, the laser musket does not do as much damage as a fully upgraded and perk supported Gauss Rifle.
  • Legendary versions can be acquired at level 36.
  • AP cost/shot in V.A.T.S ranges from 36 to 57, depending on sights and capacitors. [Base 42.0 AP, half-capacitors -1.5, gauss reflex sight -4.5, short/medium/long scope +9/+12/+15]
  • The projectile fired is wider than other ballistic bullets, and will not be able to pass through some railings and other small spaces.

Bugs

  • PCPC when drawing the Gauss rifle, if holding 'attack', the weapon will charge a shot, but upon releasing, no shot will be fired, or ammunition consumed [verification overdue]
  • PCPC 'aborting' a reload of a Gauss rifle (by either bringing up the pip-boy or using a weapon-bash) will make the next charge-up a dud that will not expend ammunition or fire as expected [verification overdue]
  • PCPC charging the Gauss rifle, then switching to another weapon, will keep the charging sound looping until the Gauss rifle is switched to again.

Sounds

SingleShotVB SingleShotVB
ReloadVB ReloadVB
ReloadVB


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