Luty P.A. Expedient Homemade Firearms. BSP 9mm SMG

2005. — 46 p.
The 9 mm ‘BSP’ Sub - Machine Gun.
The following design drawings illustrate the construction of a 9 mm submachine gun utilizing off the shelf ‘British Standard Pipe’ (BSP) Fittings. BSP fittings, commonly known as ‘Malleable Iron Fittings’, are readily available from most good trade plumbing outlets. Because this BSP machine gun design uses some of the same components seen in ‘Expedient Homemade Firearms’ Volume I, I have not discussed their manufacture again here, for fear of boring the reader, and myself. The magazine and magazine well being two examples. The following design is offered on the
understanding that the.