The problem I had was a limited number of old cases which were in need of replacement , as the case is a necked down .357 magnum case my friend suggested forming them in the full length resizing die after annealing them . So with a bit of practice and 20 scrapped cases due to splitting and wrinkling and seeing how much annealing is required I ended up with 10 perfectly reformed cases .
So now I needed some more cases , hence the ad in the wanted forum , Dougan came to the rescue and sent me a box with at least 100 cases in it . I have now formed 50 of them with just 2 failures . I have even tried nickel cases and they are just as easy to work with as the brass cases .
Below is a photo showing a brass and nickel case , the annealed cases and the formed cases , is all is left to do to them is to trim the necks then prep them for reloading .

A bit of info on the Rem Jet . http://www.reloadbench.com/cartridges/p22rj.html
Thanks Dougan and I will be getting back to you soon .
Dave