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Experiment 18-A is an unique weapon in Fallout 4.

Characteristics[]

Experiment 18-A is a unique automatic plasma rifle. The rifle has the Rapid Legendary effect, which grants the weapon a 25% faster fire rate and 15% faster reload.

Weapon modifications[]

Slot Mod Description Modified name Science! rank
Capacitor Standard capacitor Standard. - -
Beta wave tuner Adds burning damage. Improved range. Incendiary -
Boosted capacitor Improved damage. Reduced ammo capacity. Boosted -
Photon exciter Improved critical shot damage and accuracy. Excited -
Photon agitator Superior critical shot damage. Better accuracy and ammo capacity. Agitated 2
Gamma wave emitter Adds better burning damage. Better range and ammo capacity. Fiery 2
Maximized capacitor Better damage. Maximized 2
Boosted photon agitator Superior critical shot damage and ammo capacity. Boosted agitated 3
Boosted gamma wave emitter Adds better burning damage. Superior ammo capacity. Better range. Improved damage. Boosted fiery 3
Overcharged capacitor Superior damage. Improved ammo capacity. Overcharged 4
Barrel Short barrel Standard. Short (for rifles) -
Splitter Fire multiple projectiles. Improved damage. Poor accuracy. Scattergun -
Automatic barrel Improved rate of fire, range and sighted accuracy. Worse recoil. Reduced ammo capacity. Poor hip-fire accuracy. Automatic 1
Sniper barrel Superior damage and range. Worse recoil. Poor ammo capacity and hip-fire accuracy. Long (for pistols) 2
Flamer barrel Flame-thrower conversion. Thrower 2
Improved short barrel Improved damage. Improved
Improved short (for rifles)
2
Improved splitter Fires multiple projectiles. Better damage. Poor accuracy. Scattergun 3
Improved automatic barrel Superior rate of fire. Improved damage, range and sighted accuracy. Worse recoil. Reduced ammo capacity. Poor hip-fire accuracy. Improved automatic 3
Improved sniper barrel Exceptional damage. Superior range. Worse recoil. Poor ammo capacity and hip-fire accuracy. Improved
Improved long (for pistols)
3
Grip Standard grip Standard. - -
Comfort grip Improved recoil and hip-fire accuracy. Comfort grip -
Standard stock Exceptional sighted accuracy. Better recoil and aim with scopes. Improved bash. Rifle 2
Markman's stock Exceptional sighted accuracy. Superior recoil and aim with scopes. Improved bash. Marksman's rifle 3
Recoil compensating stock Exceptional sighted accuracy and recoil. Better aim with scopes. Improved bash. Recoil compensated rifle 3
Sight Standard sights Standard. - -
Short scope Improved magnification. Superior sighted accuracy. Scoped -
Reflex sight Better focus and sighted accuracy. Tactical 1
Medium scope Better magnification. Superior sighted accuracy. Scoped 2
Long scope Superior magnification and sighted accuracy. Scoped 2
Short night vision scope Night vision. Improved magnification. Superior sighted accuracy. Night-vision 3
Medium night vision scope Night vision. Better magnification. Superior sighted accuracy. Night-vision 3
Long night vision scope Night vision. Superior magnification and sighted accuracy. Night-vision 3
Short recon scope Tracks targets. Improved magnification. Superior sighted accuracy. Recon 4
Long recon scope Tracks targets. Superior magnification and sighted accuracy. Recon 4

Variants[]

Locations[]

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