Colt .22 M-1917

I have had an inquiry for information about a cartridge “Colt .22 M-1917.” I have no information on this cartridge. Any information, including case dimensions, brief history, picture of cartridge, manufacturer, etc., that anyone can provide, will be appreciated.

Hello John,

From “U.S. Cartridges And Their Handguns 1795-1975” pag. 309-310 by Chuck Suydam:

From White & Munhall:

Fede - why did I know it would be you that replied first? Thanks, amigo mio.

John Moss