Man that is just a modernized .351 WSL
Tuesday, June 11, 2019, 15:28

I used to make my .351's from .223/5.56blown straight and trimmed a little. They at .352" bullets, 180 gr. at 2000 fps. The .401 WSL can be made from 7.62X39mm blown out and trimmed slightly. That can shoot a .410" although technically it's a .408". Cast is forgiving. I shoot a 270 gr. FNGC at around 1800 fps in a very, very, old gun.

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