well the polish haju... maybe as template? you know the clothing and the musket models um... there were a bit more than just a few differences
about the clothes. look at the hat and the coat (especially the latter)
http://www.hagyomanyorseg.hu/fenykepalbum/bocskai/bocskai_hajdu.jpg
Hmm looks just like mid 17th century Polish-Hungarian infantry. Well, I can`t promise anything, but maybe temporally it`ll be ok to use POL lvl2?