https://youtu.be/qmbUQTk1C8c The author of Expedient Homemade Firearms provides clear, step-by-step instructions for and expedient 9mm sub-machine gun. It is easily constructed from readily available materials, primarily steel tubing; it does not require a lathe and milling machine and it can be built by just about anyone in about a week. Expedient is For Academic Study Only. I enjoyed this book, and by reading about the process of building an open bolt submachine gun was good academic study. Any discussion of this book prompts a mention of the author. This book was used to as evidence to convict him on weapons
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