Depends on the application i use them both molygun kote is great on metal and cures at 320ish where as dura kote cures air temp to 110 i usually will take and do the metal in molygun Kote base. Then do plastic and optics in dura kote. the final cammo patterning is usually dura cote that way i get the best lasting results .ar15.com has a good refinishing section in the armory . hope this helps