The RCBS AmmoMaster .50 BMG Ram Priming Unit was specifically designed for use with the RCBS AmmoMaster press when using it for .50 Browning Machine Gun (BMG) cartridge cases. It quickly and easily primes your .50 BMG cases in a matter of seconds.
This ram priming unit holds your .50 BMG cases in the shellholder located at the top of the press
