Post yours!
Owens D
1x DSRM4
2x SXPL
2x MXPL
GECM is enough leftovers for a good HS count.
remaining tons in heat sinks.
Owens E
1x LPL
1x NARC
GECM, BAP, 1 ton ammo
Several heat sinks
If there are more then enough free tons left add some small lasers for close range.
Can't think of a Osiris, so I'll quote this for support.
Osiris E:
1xLight Gauss Rifle
2xSmall Beam laser
BHP
GECM
MASC
1 free ton
Low-ish armor.
That would be the one Osiris variant that I'd use.