HK MP5 Field Strip Posted June 9, 2016 in NFA / Suppressors / Class III, TFBTV by Alex C. with 5 CommentsTags: field strip, God's Gun, mp5, smg The H&K MP5 is the world’s greatest submachinegun, and its sales even 50 years after its introduction are quite strong. So let us take a look at what makes the greatest SMG of all time tick in this field strip.