The Hornady Custom Grade 280 Ackley Improved Full Length 2-Die Set (546321) is a precision-machined reloading die set built specifically for handloaders working with the popular wildcat-turned-SAAMI-standard 280 Ackley Improved cartridge. This full length 2-die reloading set for 280 Ackley Improved is a practical choice for precision rifle shooters, long-range hunters, and wildcatters who demand consistent brass preparation and accurate bullet seating.
Key Features
- Manufacturer part number: 546321
- Caliber: 280 Ackley Improved (.284 diameter)
- Die set includes: one full-length sizing die and one In-line Bullet Seating Die
- Full-length sizing die sizes cases to SAAMI minimum specifications for 280 Ackley Improved
- Zip Spindle with light threads on spindle and spindle collet for positive lock and fast adjustments
- Elliptical Expander and hardened Headed Decap Pin included on sizing die
- In-line Bullet Seating Die with floating alignment sleeve
- Built-in roll crimper on seating die
- Sure-Loc lock rings included with both dies
- Stackable die storage box included
- Standard 7/8-14 thread, compatible with all presses that accept standard dies
- Shellholder sold separately
- Made in the USA
Special Features
- The Zip Spindle design locks positively to eliminate spindle slippage and allows fast tool-free incremental adjustments, removing the guesswork and wrist strain of conventional spindle lock systems
- The Elliptical Expander provides smoother neck sizing and reduces friction and case neck stretch compared to standard ball expanders, which extends brass life across more loading cycles
- The In-line Bullet Seating System holds the bullet, case neck, and seating stem in perfect alignment inside a floating sleeve before the bullet enters the case neck, producing more consistent seating depth and better downrange accuracy
- The built-in crimper on the seating die handles roll crimping without requiring a separate crimp die or an additional station on your press
- Sure-Loc lock rings clamp around the full die body with constant pressure, keeping the locking screw off the threads to protect both the die and the ring from wear or damage
- Hornady guarantees these dies will never break or wear out from normal use
Practical Benefits
- The full-length sizing die is the right choice for reloaders who shoot reformed 280 Remington brass or who run cases through multiple rifles and need reliable bolt closure every time
- Hunters loading the 280 Ackley Improved for elk, deer, or other big game will get consistent, field-ready ammunition that feeds smoothly and performs at extended ranges
- Precision rifle competitors who have built rifles around the 280 AI will find the tight machining tolerances match the accuracy potential this cartridge is known for
- Your brass will load more smoothly and last longer thanks to the Elliptical Expander reducing neck stress on every sizing pass
The Hornady Custom Grade Full Length 2-Die Set (546321) in 280 Ackley Improved is a capable tool for any serious handloader building precise, hard-hitting ammunition for long-range hunting or competition shooting.
| MANUFACTURER | HORNADY |
| CALIBER | 280 ACKLEY |