Fallout Wiki
Fallout Wiki

The bloatfly larva syringe barrel is a weapon mod for the syringer in Fallout 76.


When applied to a syringer, the mod causes targets to explode and spawn a bloatfly upon death. It also decreases weapon accuracy while increasing range, Action Point cost, and aim transition time.

Learn chance

Very low chance
Weapon Plans Learn chance
Syringer Learned from scrapping Very low (10%)


Weapon modifications will modify an existing weapon, and any modifications previously equipped on the weapon will be destroyed, not unequipped. Loose mods cannot be crafted. For modifications unlocked through scrapping, the corresponding weapon must be scrapped in order to learn how to craft it.

Screw (4)
Steel (5)
Build at:
Learn Method:
Learned when scrapping object
Chance: 10%
Bloatfly larva syringe barrel (1)


  • The bloatfly larva syringe barrel mod may be crafted and applied to a syringer at a weapons workbench if the relevant plan is known. The mod can only be learned from scrapping syringers.
  • While loose mods exist in the game files, they cannot be found in-game.