1-2 Extra Chained Energised Hits and 2.5-10% Impact on Energised Hits.
7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
6-12% Critical Chance for each Enemy Hit by your previous attack. Stacks 5 times.
Increased Cleave on Critical Hit and gain 10-25% Ranged Attack Stagger.
The new shotgun is pretty much a second melee weapon, causing it to have amazing synergy with smoke grenade, weapon specialist and agile engagement.