Barrels are a mod slot for weapon mods in Fallout 4. The following are a list of weapon mods that can be inserted in the Barrel slot:


Barrels


Mod
Description
Stub Barrel
Inferior range.
Standard Barrel

Short Barrel
Improved Weight
Short Light Barrel
Improved Weight
Improved Short Barrel
Improved damage
Long Barrel
Superior range and sighted accuracy. Better recoil. Poor hip-fire accuracy.
Long Light Barrel
Superior range and sighted accuracy. Better recoil. Reduced hip-fire accuracy.
Improved Long Barrel
Better damage and range. Improved sighted accuracy and recoil. Reduced ammo capacity. Poor hip-fire accuracy.
Short Ported Barrel
Superior recoil. Improved sighted accuracy
Long Ported Barrel
Superior recoil, range and sighted accuracy. Poor hip-fire accuracy.
Long Finned Barrel
No accuracy penalty while firing. Superior range and sighted accuracy. Better recoil. Poor hip-fire accuracy.
Assault Barrel
Improved rate of fire, range and sighted accuracy. Worse recoil. Reduced ammo capacity. Poor hip-fire accuracy.
Improved Assault Barrel
Superior rate of fire. Improved damage, range and sighted accuracy. Worse recoil. Reduced ammo capacity. Poor hip-fire accuracy.
Sniper Barrel
Superior damage and range. Worse recoil. Poor ammo capacity and hip-fire accuracy.
Flamer Barrel
Converts to flame thrower.
Improved Splitter
Fires multiple projectiles. Better damage. Poor accuracy.

Laser Barrels


Mod
science-icon.png
Info
Dam
Fire Rate
Rng
Acc
Wgt.
Mats
short_barrel-icon-laser.png
Laser Short Barrel
-
Standard.
-
-
-
-
-
Adhesive (1), Circuitry (1), Fiber Optics (2), Glass (2), Plastic (2), Screw (2)
long_barrel-icon-laser.png
Laser Long Barrel
-
Better range. Improved damage, sighted accuracy and recoil. Reduced ammo capacity. Poor hip-fire accuracy.
+?
-
+132
-1
+0.8
Adhesive (1), Circuitry (2), Fiber Optics (3), Glass (2), Plastic (5), Screw (3)
assault_barrel-icon-laser.png
Laser Automatic Barrel
Star1.png
Improved rate of fire, range and sighted accuracy. Worse recoil. Reduced ammo capacity. Poor hip-fire accuracy.
-?
+40
+132
-8
+1.1
Adhesive (2), Circuitry (2), Crystal (3), Fiber Optics (5), Gear (4), Oil (1), Plastic (7), Screw (4), Silver (2)
sniper_barrel-icon-laser.png
Laser Sniper Barrel
Star1.png
Superior damage and range. Worse recoil. Poor ammo capacity and hip-fire accuracy.
+?
-
+156
-6
+1.1
Adhesive (2), Circuitry (3), Crystal (4), Fiber Optics (8), Plastic (10), Screw (5), Silver (2)
short_barrel-icon-laser.png
Laser Improved Short Barrel
Star1.png
Improved damage.
+?
-
-
-
-
Adhesive (3), Circuitry (2), Crystal (3), Fiber Optics (3), Fiberglass (2), Glass (3), Screw (2), Silver (3)
long_barrel-icon-laser.png
Laser Improved Long Barrel
Star2.png
Better damage and range. Improved sighted accuracy and recoil. Reduced ammo capacity. Poor hip-fire accuracy.
+?
-
+132
-1
+0.8
Adhesive (4), Circuitry (3), Crystal (1), Fiber Optics (6), Fiberglass (5), Glass (4), Screw (4), Silver (4)
assault_barrel-icon-laser.png
Laser Improved Automatic Barrel
Star2.png
Superior rate of fire. Improved damage, range and sighted accuracy. Worse recoil. Reduced ammo capacity. Poor hip-fire accuracy.
-?
+63
+132
-9
+1.1
Adhesive (4), Circuitry (4), Crystal (5), Fiber Optics (10), Fiberglass (7), Gear (6), Gold (3), Oil (1), Screw (5)
sniper_barrel-icon-laser.png
Laser Improved Sniper Barrel
Star2.png
Exceptional damage. Superior range. Worse recoil. Poor ammo capacity and hip-fire accuracy.
+?
-
+156
-6
+0.8
Adhesive (5), Circuitry (5), Crystal (6), Fiber Optics (16), Fiberglass (10), Gold (4), Screw (6), Spring (2)


Plasma Barrels


Mod
science-icon.png
Info
Dam
Fire Rate
Rng
Acc
Wgt.
Mats
short_barrel-icon-plasma.png
Plasma Short Barrel
-
Standard.
?
?
?
?
?
Adhesive (1), Circuitry (1), Fiber Optics (1), Glass (2), Screw (2), Steel (3)
splitter-icon-plasma.png
Plasma Splitter
-
Fires multiple projectiles. Improved damage. Poor accuracy.
?
?
?
?
?
Adhesive (2), Circuitry (2), Fiber Optics (1), Glass (3), Screw (4), Steel (6)
assault_barrel-icon-plasma.png
Plasma Automatic Barrel
Star1.png
Improved rate of fire, range and sighted accuracy. Worse recoil. Reduced ammo capacity. Poor hip-fire accuracy.
?
?
?
?
?
Adhesive (2), Circuitry (3), Crystal (4), Fiber Optics (2), Gear (5), Oil (2), Screw (5), Silver (2), Steel (8)
sniper_barrel-icon-plasma.png
Plasma Sniper Barrel
Star2.png
Superior damage and range. Worse recoil. Poor ammo capacity and hip-fire accuracy.
?
?
?
?
?
Adhesive (3), Circuitry (4), Crystal (5), Fiber Optics (3), Screw (6), Silver (3), Steel (11)
flamer_barrel-icon-plasma.png
Plasma Flamer Barrel
Star2.png
Flame-thrower conversion.
?
?
?
?
?
Adhesive (3), Circuitry (4), Crystal (5), Fiber Optics (3), Screw (6), Silver (5), Steel (11)
short_barrel-icon-plasma.png
PlasmaImproved Short Barrel
Star2.png
Improved damage.
?
?
?
?
?
Adhesive (4), Aluminum (3), Circuitry (3), Crystal (4), Fiber Optics (1), Screw (3), Silver (4)
splitter-icon-plasma.png
Plasma Improved Splitter
Star3.png
Fires multiple projectiles. Better damage. Poor accuracy.
?
?
?
?
?
Adhesive (5), Aluminum (6), Circuitry (4), Crystal (5), Fiber Optics (2), Screw (5), Silver (5)
assault_barrel-icon-plasma.png
Plasma Improved Automatic Barrel
Star3.png
Superior rate of fire. Improved damage, range and sighted accuracy. Worse recoil. Reduced ammo capacity. Poor hip-fire accuracy.
?
?
?
?
?
Adhesive (6), Aluminum (8), Circuitry (5), Crystal (3), Fiber Optics (4), Gear (8), Glass (6), Gold (4), Oil (2), Screw (6), Spring (6)
sniper_barrel-icon-plasma.png
Plasma Improved Sniper Barrel
Star3.png
Exceptional damage. Superior range. Worse recoil. Poor ammo capacity and hip-fire accuracy.
?
?
?
?
?
Adhesive (6), Aluminum (11), Circuitry (6), Crystal (8), Fiber Optics (6), Gold (5), Screw (7)



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