So I am trying to get bronze stars for all the weapons, but have found a major glitch that will not let me complete this challenge. I have done all the in game guns, and now moved onto the WWII weapons. Being of Veteran status I also have the M1 Grand. 

So everytime I get a kill with the M1 Grand it actually goes towards the M1A1 Thompson kills, but getting kills with the M1A1 Thompson does nothing... AE/DICE please help.    

Try talking about it at the EA forums.

The kill tracker for the Thompson doesn't work on 360.

Doesn't work on any platform. Should be fixed with the next patch. Finally getting those final 2 insignias.