By A Mystery Man Writer
Practical Scrap Metal Small Arms Vol. 1-22 : Professor Parabellum : Free Download, Borrow, and Streaming : Internet Archive
American Handgunner Jan/Feb 2001 PDF - FMG Publications
Building A Sheet Metal Pistol
Prop Gun Revolver - Single Action by DeSteiner - Thingiverse
Firearms review: Charter Arms Pitbull 9mm
DIY .22 Revolver Plans - Professor Parabellum, PDF, Hazards
SOLD** High Standard R-108 Sentinel Deluxe Double Action Revolver in .22 Long Rifle **Original Box and Paperwork - Hamden, CT - 9 Shot**
Pepper-Box Encyclopedia MDPI
Flare Pistol, Call of Duty Wiki