This mod improves the minigun's base damage by 25%, but an additional 60% against Scorched and Scorchbeasts. The value also improves 100%. The drawback is that Ultracite 5mm ammo is required with the mod.
Learned from plan/recipe
Plan: Prime minigun barrel
Gunsmith (Rank 5)
Prime barrel (1)
Crafted at a weapons workbench.
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