WHAT DOES 300 WSM BRASS MEAN?

The Hornady brass worked well. The only real dilemma was the case mouth was tough and I needed to utilize a reamer to clean it. The Hornady brass is a lot better compared to Winchester of precisely the same caliber.Primer Pocket: Tested to no less than 10 reloading cycles to ensure the primer pocket's right hardness and longevity.Arm or Ally provid