The NxGEN Competition Pro series three die set includes the NxGEN carbide sizing die (NX-C), a Profile crimp or taper crimp die designed for cartridges that headspace on the case mouth and a competition bullet seating die (COMP ST). This set is specifically crafted for use with progressive reloading machines, making it perfect for users seeking optimal bullet alignment. It is important to note that an expander die (EXP) is not included, as most commonly used progressive reloading machines handle case mouth expansion at the powder drop station. The competition pro series die set comprises an NxGEN carbide sizing die (NX-C), an independent crimping die (CR) and the advanced competition bullet seating die (Comp ST)