The Hornady .45 ACP/.45 ACP/.45 Win Mag pistol full-length sizing die is a precision-engineered reloading tool designed to ensure consistent and reliable resizing of .45 ACP and .45 Win Mag pistol cartridges. Constructed from high-grade steel, this full-length sizing die is engineered to deliver optimal performance and durability under rigorous reloading conditions. Zip spindle design - integrated into all full-length size dies, the zip spindle ensures secure locking to prevent slippage Precision-cut light threads on both the spindle and spindle collet facilitate fine-tuned adjustments by rotating the spindle, while enabling swift zip movements for larger positional changes The Hornady Sure-Loc lock rings encircle the die, exerting uniform pressure to secure the ring The locking screw fastens the ring without thread contact, preventing potential damage from pliers Precision engineering - the internal die profile is meticulously machined and polished to ensure seamless operation, minimizing case adhesion and friction Our pistol dies predominantly feature a titanium nitride gold ring finish, surpassing carbide in hardness and eliminating the need for lubrication This ultra-durable coating is ideal for resizing soft pistol brass without scratching cases The elliptical expander, exclusive to Hornady, offers superior performance compared to traditional ball expanders It ensures exceptionally smooth neck sizing while significantly reducing friction and case neck stretching The internal threading design prevents the expander from becoming dislodged and the elliptical shape eliminates the necessity for a separate expander die when necking up to the next caliber