Hornady Superformance .300 Ruger Compact Magnum (RCM) 150gr SST 20/Box $50.95 $35.26 Hornady Superformance .300 Ruger Compact Magnum (RCM) 150gr SST 20/Box delivers muzzle velocity increases up to 200 feet per second without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy... Compare Out of stock