OP6 Help please

Need some serious help please to get last 2 levels on District Peak. Im currently OP6 and done it solo but now tried this numerous times and get battered at Dukino’s mam stage. Im on all time but if anyone can spare some time to help me out i would really be grateful.
GT : o Gunners o

PS im not a screaming 12 year old either if that helps.

ive not done district peak before nor do I know what OP6 is, but I’m always on BL2 and TPS, and I’m not a screaming 12 year old either ! lol my gt is kennwoodd if you ever wanna play

Will be on 4 and a half hours from the time of this post. I can help with the last 2 lvls no problem

Gt : beedub321