Bootleg Gunz:The Bazaar of Bizarre Guns - "A .45 homemade submachine gun made by Ulster loyalist paramilitaries held in a Greater Manchester police armoury. It appears to use an M3 Grease Gun
Which gun has fewer parts and is simpler to build, the STEN, the M3 Grease Gun or the AK-47? - Quora
Semi Auto grease gun build - AR15.COM
Wilkinson Arms Linda 9mm Carbine Review - Firearms News
Police find homemade submachine gun -The Firearm Blog
Scourge of meth-linked homemade guns in Winnipeg hits record high in 2019, police say | CBC News