This conversion kit is designed to upgrade an AmmoMaster single-stage Press for use with 1-1/2 inches .50 BMG dies, allowing you to load .50 BMG cartridges. The kit includes all necessary components to make the conversion, ensuring compatibility and smooth operation. Please note that this kit is not required for the AmmoMaster-2, as it is already equipped to handle .50 BMG. The press shown in the image is for illustrative purposes only and is not included.