Put together a troll who started out with a 23P/AP-2 punch the other day, but he needed 'ware. And restricted gear to get that rating 4 bone density.
Troll, exceptional attribute: strength, genetic optimization: strength, alpha muscle augmentation 2, improved physical attribute 2: strength, for a final total of 16 strength at my augmented max.
Alpha bone density 4 and four alpha striking calluses (both hands, both feet), critical strike, and haymaker for an extra +7P on top. Penetrating strike 2 for some AP. Dice pool to hit isn't great for an adept and wastes that physical limit of 15, but accuracy is something to work on. Initiative's crap, too, which is another priority. I have 4.26 essence left, so room for delta muscle toner 2 if I really want to drop the nuyen, and I don't have too terribly much to spend it on. Can't rightly think of many ways to get unarmed damage up higher from there, after all.
Technically, you could get a little higher if you were a cyclops or bear shapeshifter (due to strength being one or two higher respectively).
However, that said, it's an extremely specific way of going about things, and not necessarily in fitting the flavor of the kung fu master.