well one model cant fire at 2 different targets. i think you should read the codex.This is what I have come up with.
Shas'ui Fl BC MP MT TarL + 2 SD - 100
MP is to take care of the Killer Kan.
Fl is to take care of the Orks if they get to close.
MT + TarL is to fire the BC and the MP in the same turn at different Targets, or the Fl and BC.
well i would skip bonding and upgrade one to shas whatever. and rapid fire is 12" 2 shots not half the distance.. read the rule book.Troops
12 Fire Warriors PR team bonded - 130
PR as I can get 2 shots in at 15" As I can deploy further back and still shot. up to 30"
Bonded to try and keep the around for regroups..
well they hit faster and harder than the orks but i think you should max this squad and just fire with it. keep it in the woods for higher surviveability.12 Kroot - 84
To support if orks get to close in CC
well 4 is not that good of a number. max out on kroots instead.4 Gundrones - 48
TL PR for incresed probability to hit.