1) Roll all gear for firearms
2) Add Health for all major attributes
3) Add SMG damage, Crit chance, Crit damage on gloves
4) Add exotic damage resilience to rest of gear
5) All weapon attachments with max Crit damage, complimented with Crit chance and headshot damage.
6) Rely on the SMG crit chance bonus on your House to get yourself close to 50% Crit chance.
7) Use your Nomad proc and medkits to stay alive against Preds and Strikers