Easy to fix GW.
Give them Carapace, give them T4, make them 70 base, give them all HnR, make Melta Bombs a general option for 5/model. 125 points, 5 Cavalry, 2 melta, 5 MBs, HnR, tougher than average IG stats. Make them WS4. Give them Scouts, make Kamir give them Infiltrate.