I guess I've jumped in the middle of the story here. Have you posted details/pics of the rifle and cartridge here before?
Looks a lot like a necked down .357 case...
Intriguing, to say the least.
Ed
"Not in an open forum, where truth has less value than opinions, where all opinions are equally welcome regardless of their origins, rationale, inanity, or truth, where opinions are neither of equal value nor decisive." Ken Howell
