30 SM

Give your 300 PRC rifle Sherman performance and shoot factory ammo in a  pinch or to easily form your Sherman brass. Then you simply reload the  brass with your Sherman dies get 3000 fps with a 225 grain bullet in  your 26" barrel!
 

Join The Discussion on HERE

Reloading Data Compiling HERE

Discuss in the Facebook Group: Sherman Wildcat Cartridges Group