Max phy, pro and put 2 exp points into mental.
This recipe requires 2 generations. The second is:
MH-MH-gen1-gen1-VFA. Max phy, pro and 2 mental.
You'll get:
11k/11k/8k HAM, AR1, Kinetic 60, He22, Co2, Ac22. 240 Damage. Stun/str poi/ranged, 2.2AS, .5to-hit