I've inherited a Model 29 (not A or B) from a dear friend. The rifle is in decent shape, but jams when more than 1 cartridge is inserted into the magazine. It appears that some sort of cartridge stop is missing. A single cartridge will feed OK from the magazine to the chamber.

Does anyone have or know where I can get an exploded view schematic to see what parts are missing?

An A or B model is a lot different, but I can find schematics for them. HELP! (please) ;D