High mobility/kiting. Replace Shell Carrier with Glass Cannon for better damage multiplication since Rolling Thunder gives "Damage with Shotguns" damage category already.
https://www.twitch.tv/nitecyper
Tags
nightmareDPSspeedrunfront-linershotgun
50%10 votes
Marked for death
utility
Mutations you ping are highlighted and your team deals 10% increased damage to highlighted enemies.
Weapon Scavenger
utility
You can sense nearby weapons.
More weapons spawn.
Marathon runner
mobility
No Movement Penalty for strafe and backpedal.
Optics enthusiast
offense
+ 30% Accuracy
Quick Kill
offense
+ 50% Accuracy
DISABLES: Aim Down Sights
Hellfire
mobility
+ 45% Move Speed while firing.
+ 3% Move Speed while not firing.