Redding 223 Ackley Improved Bushing Full Length Die Set

Building precision 223 Ackley Improved loads starts with the right die set, and the Redding 223 Ackley Improved Bushing Full Length Die Set is built for shooters who demand consistency. This two-die set pairs a Type S Match Bushing Full Sizing Die with a Competition Bullet Seating Die—a combination designed to give you repeatable, match-grade results whether you're prepping ammunition for competition, long-range hunting, or just fine-tuning your handloads.

The Type S Bushing Full Sizing Die is where precision begins. Unlike standard sizing dies, this one lets you control case neck sizing with interchangeable bushings, so you're not stuck with a one-size-fits-all approach. That means you can dial in the exact neck tension your rifle and bullets prefer, brass lot to brass lot. Full length sizing keeps your cases consistent and reliable for semi-automatic feeding, while the bushing system gives you the kind of neck control that used to require match-grade dies costing twice as much.

On the seating end, Redding's Competition Bullet Seating Die brings serious engineering: a micrometer calibrated in .001" increments and a floating seating stem designed to center your bullets as they go in, not after. That floating system cuts concentricity runout—the enemy of tight groups—and makes bullet-to-primer alignment something you can actually control. If you've noticed that small variations in seating pressure or stem angle kill your group size, this die addresses exactly that problem.

This is the right choice for 223 AI reloaders building match ammunition or high-precision hunting loads, or anyone who's tired of accepting mediocre case prep as normal.

Key Features

• Type S Match Bushing Full Sizing Die with interchangeable bushings for customizable neck tension control
• Full length sizing for reliable feeding in semi-automatic rifles
• Competition Bullet Seating Die with .001" micrometer adjustment for precise depth control
• Floating seating stem to minimize bullet concentricity runout
• Two-die set designed for match-grade 223 Ackley Improved ammunition

Specifications

Frequently Asked Questions

What calibers will this die set work with?

This die set is designed specifically for 223 Ackley Improved. Do not use it for other cartridges.

What are interchangeable bushings and why do I need them?

The Type S Bushing die lets you swap in different sized bushings to control how much the case neck is sized down. This means you can adjust neck tension to match your specific brass, bullets, and rifle—something standard dies don't allow. Tighter neck tension works for some loads, looser for others; bushings let you dial it in.

What does the floating seating stem do?

The floating seating stem centers the bullet as it enters the case, rather than relying only on the case mouth. This reduces concentricity runout (wobble) in your loaded round, which directly improves accuracy, especially at distance.

Is this a full sizing die or a neck-only die?

This is a full length sizing die, meaning it resizes the entire case body as well as the neck. That's the right choice for semi-automatic rifles and general-purpose reloading. The bushing system controls just the neck, letting you preserve case life while maintaining precise fit.