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. Sized to fit specific case heads and capture 0.125? of the case head for proper SAAMI headspacing.

Features:45 Colt, 454 Casull;Built for single stage and turret presses;Cut to .125" depth for proper headspacing