.22 Wildcat Project

Polar_Hunter

Polar_Hunter

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Iroquois Falls ON
Due to it's diminutive size it might be best called a "Kittycat".

I have an antique Pinfire revolver that I want to get shooting and, finding no suitable modern ammo, I have come up with this "pea-shooter" round. The parent case is .22 Hornet.

I have bored out the old rotten bore on the revolver and will sleave it to .22 cal. I am going to attempt to machine a complete new cylinder out of modern steel and chamber it for my new little round.

The goal is to get cast bullets flying at about Long Rifle velocities. This project should keep me busy for several weeks at least.

Left to right,,, 22 LR, 22 Mag, ????, and 22 Hornet


 
Very cool. I'm sure brass is sufficient for your needs, but I would have greater confidence in it if it were a chunk of 4140 or another similar material.
 
What a cool little round, and very interesting project. I agree with blastattack, in that I personally would be chicken with the brass "cylinder".
I may have missed it, but is there some type of ejector?

Again, very interesting - thanks for sharing and let us know how it works.
 
The original cylinder had very thin walls,,, only .035". Had I went with the original plan of putting sleeves I would have only added .045" for a total of .080". With this barrel threaded into the brass receiver I have a total wall thickness of .150" at the thinnest point and more than 1/2 of that is steel. For the light loads that this little cartridge will hold I doubt that the .22 Hornet brass (which is quite thick near the bass) will obturate let alone rupture. Caution is always required but I have no intention of using it as anything more than a plinker .

I took it out this morning with some cartridges loaded with .25 auto data and fired into a snowbank. A pleasant little report and all cases extracted easily with my "fingernail" extractor. LOL. It is to darn cold to do any serious load development or accuracy testing at this time of year but I'll be out with it the first warm days in March.
 
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