User blog comment:Delta 4-7/WWII Weapons Project/@comment-1494496-20100512131554

Actually, the MP38 was based more off the Type 100 than an older model of the MP40. Also, Hitler never approved the STG until commanders began requesting the MP43 (as said by Darth) because he believed bolt-action rifles were some of the best weapons for an infantryman to have IIRC.