Here are my two favorite wildcats. They almost go the speed of light and with a 1/1000 twist they don't fragment. It was hard to neck down the 50 cal brass, but man was it ever worth it....
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Seriously, I love that people are doing all this work on new ammo, but I personally just can't keep up. Eventually I feel it will be counter productive to continue to develop a new round just to make a new round. I don't plan to jump on any band wagons but at the same time I am fine with people developing any cartridge they want to make. I just wish I had time to fully develop all the rounds I currently shoot.