Shrapnel, PvE (Dungeon)
Thank you to Doomeris for all his work on making and analyzing builds down to the math. 95% of this build is taken from Doomeris's video: https://www.youtube.com/watch?v=71FnPFFnE-4 with a few mod ch...

Durability: 100
Weight: 2.0
Required Level: 40
Quality: 4
Trigger Shrapnel after hitting 12 shots (deals 60% Shrapnel DMG to Metas) . For every 25 rounds in the magazine, Shrapnel triggers on 1 additional body part(s), up to 6 . If magazine capacity exceeds 90 rounds, for every additional 15 rounds, Shrapnel DMG multiplier +10% . Magazine capacity +40
Upon hitting an enemy with a bullet, deal 60% Attack as Weapon DMG to a different random part. The element type is the same as the weapon's element. The additional damage can Crit, strike Weakspots, and will decay with distance. Actual Factor = 60% × (1 + Shrapnel DMG Factor Bonus) × (1 + Shrapnel Final DMG Bonus).
Shatter Them All
Type: All Weapons
No Elemental attributes or DMG bonus