Hornady Superformance, .300 Winchester Magnum, SST, 180 Grain, 20 Rounds - 180229, .300 Winchester Magnum Ammo at Sportsman's Guide
300 Winchester Magnum 180 Grain Super Shock Tip 500 rounds
First ever hand loads, .300 win mag! 180gr SST in new Hornady brass. H4831 powder. 70.6gr, 71.5gr, and 72gr. Need to keep going higher for better groups I think.. : r/reloading