Hornady Precision Hunter .300 PRC 212 grain Extremely Low Drag - eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 82166

Based on the 375 Ruger cartridge case the 300 PRC is non-belted and uses a standard .532? magnum bolt face and headspaces off the 30 degree shoulder. This results in better chamber alignment than standard belted magnum cartridges and allows for improved stacking and feeding from fixed magazines.