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Flatliner is a unique Gauss rifle in Fallout 76, introduced in the Gleaming Depths update.

Characteristics[]

The Flatliner is a unique version of the Gauss rifle with a custom model resembling the Ultracite Terror.

It drops with the following effects:

  • Assassin's: +50% Damage to Humans.
  • V.A.T.S. Enhanced: +50% Chance to Hit a Target in V.A.T.S..
  • Nimble: +100% Faster Movement Speed While Aiming.
  • Conductor's: Critical Hits Restore 5% of Health & Action Points for Player & Teammates Within a 50ft Radius.
  • +40% Reload speed.
  • -5 Durability.

This weapon cannot have its legendary effects changed, paint changed, or be traded.

Weapon modifications[]

Barrel
ModDescriptionRange changeAccuracy changeAP cost changeRequirementsResources
Aligned long+1% Aim Speed
+25% Hip-Fire Accuracy
+30% Sighted Accuracy
+37% Recoil
+1-5%Scrap to learn (20% chance)
Adhesive x2
Aluminum x6
Rubber x7
Screw x4
Spring x6
Aligned shielded+1% Aim Speed
+25% Hip-Fire Accuracy
+5% Sighted Accuracy
+37% Recoil
+24-1-5%Scrap to learn (20% chance)
Adhesive x5
Aluminum x9
Lead x5
Rubber x7
Screw x6
Spring x6
Shielded+50% Recoil+24-2Scrap to learn (20% chance)
Adhesive x5
Aluminum x9
Lead x5
Screw x6
Stabilized long+25% Sighted Accuracy
+25% Recoil
Scrap to learn (20% chance)
Adhesive x2
Aluminum x6
Screw x4
Spring x6
Stabilized shielded+25% Recoil+24-2Scrap to learn (20% chance)
Adhesive x5
Aluminum x9
Lead x5
Screw x6
Spring x6
Standard+25% Sighted Accuracy
+50% Recoil
Known by default
Adhesive x2
Aluminum x6
Screw x4
True long+3% Aim Speed
+25% Hip-Fire Accuracy
+35% Sighted Accuracy
+50% Recoil
+1Scrap to learn (20% chance)
Adhesive x2
Aluminum x6
Rubber x7
Screw x4
True shielded+3% Aim Speed
+25% Hip-Fire Accuracy
+10% Sighted Accuracy
+50% Recoil
+24Scrap to learn (20% chance)
Adhesive x5
Aluminum x9
Lead x5
Rubber x7
Screw x6

Stock
ModDescriptionAccuracy changeAP cost changeRequirementsResources
Aligned
(Recoil Compensated)
+1% Aim Speed
+4% Stability
+25% Hip-Fire Accuracy
+30% Sighted Accuracy
-22% Recoil
+1-5%Scrap to learn (20% chance)
Adhesive x4
Aluminum x5
Rubber x7
Screw x6
Spring x6
Bruising+4% Stability
+25% Sighted Accuracy
-10% Recoil
+50% Melee Damage
Scrap to learn (20% chance)
Adhesive x4
Aluminum x5
Gear x6
Rubber x1
Screw x6
Spring x4
Forceful+4% Stability
+25% Sighted Accuracy
-22% Recoil
+25% Melee Damage
-5%Scrap to learn (20% chance)
Adhesive x4
Aluminum x5
Gear x6
Rubber x1
Screw x6
Spring x6
Precise
(Recoil Compensated)
+1% Aim Speed
+4% Stability
+25% Hip-Fire Accuracy
+30% Sighted Accuracy
-10% Recoil
+25% Melee Damage
+1Scrap to learn (20% chance)
Adhesive x4
Aluminum x5
Gear x6
Rubber x7
Screw x6
Spring x4
Stabilized
(Recoil Compensated)
+4% Stability
+25% Sighted Accuracy
-35% Recoil
Scrap to learn (20% chance)
Adhesive x4
Aluminum x5
Rubber x1
Screw x6
Spring x6
Standard+4% Stability
+25% Sighted Accuracy
-10% Recoil
Known by default
Adhesive x4
Aluminum x5
Rubber x1
Screw x6
Spring x4
True
(Recoil Compensated)
+3% Aim Speed
+4% Stability
+25% Hip-Fire Accuracy
+35% Sighted Accuracy
-10% Recoil
+1Scrap to learn (20% chance)
Adhesive x4
Aluminum x5
Rubber x7
Screw x6
Spring x4

Capacitors
ModDescriptionEffectsDamage changeAmmo capacity changeAP cost changeRequirementsResources
Large
(Maximum Capacity)
-3% Aim Speed
-20% Reload Speed
+50% Ammo Capacity
+2.5+10%Scrap to learn (20% chance)
Adhesive x6
Aluminum x1
Circuitry x2
Nuclear material x2
Screw x3
Silver x1
Spring x2
Perforating+40% Armor penetration+20%Scrap to learn (20% chance)
Adhesive x2
Aluminum x1
Black titanium x4
Circuitry x2
Nuclear material x2
Screw x3
Silver x1
Spring x2
Piercing+15% Reload Speed+20% Armor penetration+5%Scrap to learn (20% chance)
Adhesive x2
Aluminum x1
Black titanium x4
Circuitry x2
Copper x6
Nuclear material x2
Screw x3
Silver x1
Spring x2
Prime+65% Damage to Scorched
Note: Uses Ultracite ammo
+25%Plan Read plan to learn
Adhesive x4
Aluminum x1
Black titanium x4
Circuitry x2
Nuclear material x2
Pure crimson flux x2
Pure violet flux x2
Spring x5
Ultracite x5
Quick+30% Reload Speed-5%Scrap to learn (20% chance)
Adhesive x2
Aluminum x1
Circuitry x2
Copper x6
Nuclear material x2
Screw x3
Silver x1
Spring x2
StandardKnown by default
Adhesive x2
Aluminum x1
Circuitry x2
Nuclear material x2
Screw x3
Silver x1
Spring x2
Stinging-3% Aim Speed
+25% Ammo Capacity
+20% Armor penetration+1+15%Scrap to learn (20% chance)
Adhesive x6
Aluminum x1
Black titanium x4
Circuitry x2
Nuclear material x2
Screw x3
Silver x1
Spring x2
Swift-3% Aim Speed
+15% Reload Speed
+25% Ammo Capacity
+1Scrap to learn (20% chance)
Adhesive x6
Aluminum x1
Circuitry x2
Copper x6
Nuclear material x2
Screw x3
Silver x1
Spring x2

Sights
ModDescriptionAccuracy changeAP cost changeRequirementsResources
Gauss reflex sight
(Tactical)
+10% Aim Speed
+15% Sighted Accuracy
+2-15%Known by default
Adhesive x1
Aluminum x1
Glass x1
Nuclear material x2
Screw x1
Silver x1
Long night vision scope
(Night-Vision)
+10 Magnification
-20% Stability
+25% Sighted Accuracy
+32Plan Read plan to learn
Adhesive x3
Aluminum x4
Circuitry x2
Fiber optics x2
Glass x3
Nuclear material x6
Screw x3
Long recon scope
(Scoped Recon)
+10 Magnification
-20% Stability
+25% Sighted Accuracy
+32Scrap to learn (15% chance)
Adhesive x3
Aluminum x5
Circuitry x2
Crystal x4
Fiber optics x4
Nuclear material x7
Screw x4
Long scope
(Scoped)
+10 Magnification
-20% Stability
+25% Sighted Accuracy
+32Scrap to learn (20% chance)
Adhesive x2
Glass x2
Screw x3
Steel x7
Medium night vision scope
(Night-Vision)
+6 Magnification
-20% Stability
+25% Sighted Accuracy
+18Plan Read plan to learn
Adhesive x2
Aluminum x4
Circuitry x1
Fiber optics x2
Glass x2
Nuclear material x4
Screw x1
Silver x1
Medium scope
(Scoped)
+6 Magnification
-20% Stability
+25% Sighted Accuracy
+18Scrap to learn (20% chance)
Adhesive x2
Glass x1
Screw x1
Steel x6
Short night vision scope
(Night-Vision)
+4 Magnification
-10% Aim Speed
-20% Stability
+25% Sighted Accuracy
+12+30%Plan Read plan to learn
Adhesive x2
Aluminum x3
Circuitry x1
Fiber optics x1
Glass x1
Nuclear material x3
Screw x1
Silver x1
Short recon scope
(Scoped Recon)
+2 Magnification
-20% Aim Speed
-20% Stability
+25% Sighted Accuracy
+5+20%Scrap to learn (15% chance)
Adhesive x3
Aluminum x5
Circuitry x2
Crystal x4
Fiber optics x4
Nuclear material x7
Screw x4
Short scope
(Scoped)
+4 Magnification
-20% Stability
+25% Sighted Accuracy
+12Scrap to learn (20% chance)
Adhesive x1
Glass x1
Screw x1
Steel x4
Standard sightsKnown by default
Adhesive x1
Aluminum x1
Steel x4

Muzzle
ModDescriptionEffectsRange changeAccuracy changeRequirementsResources
Compensator
(Compensated)
-15% Recoil
+200% Per-Shot Recoil
-12+5Scrap to learn (15% chance)
Adhesive x3
Aluminum x4
Screw x3
No muzzleKnown by default
None
Suppressor
(Suppressed)
-12% Recoil
+50% Per-Shot Recoil
Sets sound level to Quiet-18Scrap to learn (15% chance)
Adhesive x4
Aluminum x5
Fiberglass x3
Screw x4

Paint
AppearanceNameDescriptionRequirementsResources
FO76 Gauss rifle
Default AppearanceKnown by defaultNone
Atx gaussrifle inventor l
Inventor PaintFallout 76 unused content
Atx skin weaponskin gaussrifle nightterror l
Night Terror PaintMake your Gauss Rifle even scarier with the Night Terror Gauss Rifle Paint.
This paint's appearance may differ based on applied mods.
Unlocked via Atomic Shop
Atom
Oil x1
Score s3 skin weaponskin gaussrifle presidential l
Presidential PaintServe your nation... some hot 2mm EC with the Presidential Paint for your Gauss Rifle.Rank 94 reward in The Scribe of Avalon
season S.C.O.R.E.
Oil x1

Variants[]

Location[]

Given as a potential reward for completing the Enclave Squad Epsilon 3rd phase of Raid: Gleaming Depths.