I have the raw game models up and available in the File Archive, if you want to try handling the files yourself. Otherwise, I'd be happy to have a look around for you and see if any of the regular places (Crimmson's file thread, BHS's file thread) have download links to the helmet.
As far as I'm aware, the Recon system only features a helmet, shoulder and chest plate - which arms/legs will you be using?