The Universal Hand Priming tool combines the universal shell holder from the APS tool with the primer tray from the standard tool to offer unmatched performance. The universal shell holder accept cases from .32 ACP to .45-70 Government. The safety gate isolates the primer seating operation from the primer supply to reduce the risk of tray detonation. The removable primer tray orients their primers for use and will fit any manufacturers primer packaging. It includes accessories to seat large and small rifle or pistol primers. RCBS: PRECISIONEERED RELOADING. RCBS has dedicated itself to the craft of handloading ammunition since it was founded in 1943. RCBS is the leading manufacturer of reloading equipment for rifles and pistols. Reloading is an exact process with tight tolerances. It requires precision and skill to be done correctly. Thats why RCBS makes state-of-the-art products all are backed by RCBSs industry-leading reputation.