Lyman 40 Black Powder Taper Crimp Die for 40-65 WCF, 40-70 Sharps

The Lyman 40 Caliber Black powder cartridges require compression for proper ignition. This requires firm neck tension to hold the bullet without damage. The Lyman Taper Crimp Die has a minimum taper that allows the reloader to apply the proper neck tension without damaging the bullet, which results in the best accuracy.