Lyman BLACK POWDER TAPER CRIMP DIES .40 #7153120

Lyman BLACK POWDER TAPER CRIMP DIES .40 #7153120

Lyman BLACK POWDER TAPER CRIMP DIES .40 #7153120. Achieve proper neck tension with the Black Powder Taper Crimp Dies

BP cartridges require compression for proper ignition. This requires firm neck tension to hold the bullet without damage. The Taper Crimp Dies have a minimum taper that allows the reloader to apply the proper neck tension without damaging the bullet for best accuracy.