If Hanky strictly did powerlifting, strict singles doubles and triples, and training on a powerlifting cycle, he'd hit 405 in no time.
Shit, most teenagers and guys in their early 20's can do that. In my college gym in Rochester, NY 405 on the squat rack was not uncommon. I went from 185 to 365 in literally six months training with some of the strong guys in the gym. And I was very average. I just stuck to their plan and it worked out.
Mixing the bodybuilding and strength training is really tough. In Franco Columbu's bodybuilding book he said as much- he focused on the three powerlifting moves for strength and did higher rep bodybuilding routines for everything else.