Psyker
This weapon Blocks both Melee and Ranged attacks. Additionally, Block Cost is reduced by 22.5-30%.
Hitting at least 3 enemies with an attack, restores 12-15% toughness.
2 Shots on Primary Critical Hit. 2-5% Ranged Crit Chance.
14-20% Damage on Second, Third and Fourth shots in a Salvo.
Ask for information on this build in chat and I will stream how to play it. It's a bit unconventional but performs insanely well.