I've heard they are good shooters,but most of the time odd calibers don't last the test of time.
You should try to find some reloading dies in 30TC,and stock up on brass if you can,and start reloading for it.In a few years,that might be the only way you'll have to get ammo for it.
The manufacturers always try to reinvent the wheel with these wildcat calibers,and most fail to last very long on the market.
Texas State Rifle Association
North American Hunting Club