Hornady Series II Three-Die Taper Crimp Pistol Die 45 ACP/AR/Win. Mag.Hornady Series II Three Die Taper Crimp Pistol Die 45 ACP AR Win. Mag. Zip Spindle positively locks to eliminate slippage; Adjustable expander die; Bullet seating alignment sleeve ; The crimp seating die allows seating and taper crimping to be completed in one step, elimating the need for a separate taper crimp die; Hornady Sure Loc rings clamp around the entire die, applying constant pressure to hold the ring in place; Available in sizes: 40 S&W