Marlin 39 & 39A Lever Action .22 Rifles Technical Manual and Armorer's Course #1334 (DVD)
American Gunsmithing Institute
Manufacturer part number: 8-09237-01334-6
Not a simple disassembly DVD - these are the real thing. Each includes detailed disassembly, as well as design, theory, troubleshooting, accessories, customizing and fine tuning. 129mins.