Rcbs AmmoMaster Standard Shell Holder Adapter Shotgun ACCESSORY Convert your original RCBS AmmoMaster

Convert your original RCBS AmmoMaster (not the AmmoMaster 2) to load the massive 50 BMG

Extra-wide field of view

Available with White Dots

Simply detach the Picatinny rail and the Thunder can be used as a Thermal Monocular and now also has clip-on mode (adapter required to suit your day scope outside diameter)

Rcbs AmmoMaster Standard Shell Holder Adapter Shotgun ACCESSORY Convert your original RCBS AmmoMasterThis is the perfect accessory for the reloader wanting to use their RCBS AmmoMaster press to reload small cartridges that utilize standard size dies. Simple place this adapter in the ram and slide in the appropriate standard sized shellholder and reload.