: A variation using "British Standard Pipe" for the main receiver and components.
"Expedient Homemade Firearms" is a series of instructional manuals by , a British gun rights activist, detailing how to manufacture functional firearms using readily available materials like steel tubing and hardware. These designs are specifically engineered to be "expedient," meaning they can be built without specialized machinery like lathes or milling machines. Core Manuals & Designs Expedient Homemade Firearms
: A manual for constructing a single-shot shotgun-style handgun using common plumbing parts. : A variation using "British Standard Pipe" for
: Luty's most famous work, which provides step-by-step instructions for building a simple, sheet-metal and tubing SMG. a British gun rights activist