This single-stage press incorporates our proprietary Lock-N-Load technology within the ram, allowing for seamless transitions of the shell holder to the ram-prime position, followed by its relocation to the top plate. Once configured, the holder and ram-prime remain securely in place. Additionally, the integration of a Lock-N-Load bushing facilitates a swift transition from ram-prime to die usage. Robust engineering - the high-strength frame ensures structural integrity and stability, with a guarantee against breakage or operational failure The .50 BMG press is equipped with a 1-1/2 inches x 12 bushing, enabling seamless conversion of the die head to the Hornady Lock-N-Load system, compatible with any standard 7/8 inches x 14 die Utilize lock-n-load technology in ram - invert the shell holder for ram priming, then position it on the top plate Once configured, the holder and ram prime remain securely in place