The NxGEN Competition Pro series 3 die set comprises the NxGEN carbide sizing die (NX-C), a profile crimp or taper crimp die for cartridges with headspace on the case mouth and a competition bullet seating die (COMP ST). This die set is specifically engineered for use with progressive reloading machines and is ideal for users aiming for optimal bullet alignment. Note that an expander die (EXP) is not included, as the majority of popular progressive reloading machines perform 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)