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Experiment 18-A is a unique automatic plasma rifle. The rifle has the Rapid effect, which grants the weapon a 25% faster fire rate and 15% faster reload.
|Slot||Mod||Description||Modified name||Science! rank|
|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)
|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)
|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|
|Marksman'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|
|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|
- Plasma gun, the common variant found around the Commonwealth.
- Sentinel's Plasmacaster, a unique plasma gun that does double damage if the target is at full health. It is sold by Proctor Teagan in the Prydwen after completing A New Dawn.
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