RCBS Single Stage shell holders are built from hardened steel and designed to properly align the case with the reloading die in single-stage and turret presses. They’re sized to fit specific case heads and capture 0.125 inch of the case head for proper SAAMI headspacing.

Cartridge Compatibility; 257 Weatherby Magnum, 270 Weatherby Magnum, 7mm Shooting Times Westerner (STW), 7mm Weatherby Magnum, 30-338 Winchester Magnum, 300 H&H Magnum, 300 Ruger Compact Magnum (RCM), 300 Weatherby Magnum, 300 Winchester Magnum, 308 Norma Magnum, 8mm Remington Magnum, 338 Ruger Compact Magnum (RCM), 338 Winchester Magnum, 350 Remington Magnum, 9.3x74R, 375 H&H Magnum, 375 Ruger, 416 Ruger, 416 Remington Magnum, 450 Marlin, 458 Winchester Magnum, 458 Lott, 460 Smith & Wesson