Simple and compact low-cost DIY submachine gun prototype -The Firearm Blog
Homemade 45 acp grease gun testing! : r/guns
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
Scourge of meth-linked homemade guns in Winnipeg hits record high in 2019, police say | CBC News