This conversion kit is used to change an AmmoMaster Single stage press over to use 1 1/2-inch .50 BMG dies. This kit is not needed for the AmmoMaster-2. The .50 BMG Conversion Kit contains all of the parts necessary to convert an AmmoMaster Single Stage Press to load .50 BMG cartridges. Press shown is for illustrative purposes only, and is not included. Converts AmmoMaster Single Stage Press to load .50 BMG cartridges .50 BMG Shell Holder .50 BMG Ram Priming Unit Top Plate to accept 1-1/2" dies Contains 3 longer support rods RCBS Limited Lifetime Warranty Made in USA