Can I use the Redding 81111 neck sizing die for my AR-15 or semi-automatic 223 Remington rifle?

No, this neck sizing die is specifically designed for bolt-action rifles where cases are fired and reloaded for the exact same chamber. Semi-automatic, lever, or pump-action platforms require full-length sizing dies like the Redding #91111 or small-base dies to ensure reliable feeding and chambering.

What shellholder do I need to use with the Redding 81111 223 Remington die?

This die requires a Redding Shellholder #10 (Part No. 11010), which is sold separately. It features an industry-standard 7/8"-14 thread interface that screws directly into any standard single-station or turret reloading press.

How often will I need to full-length size my brass when using this neck sizing die?

While the neck sizing die extends brass life by preserving fire-formed chamber geometry, case shoulders will naturally lengthen and bodies will slightly swell after 3 to 5 reload cycles. When you notice chambering becoming stiff in your bolt-action rifle, you must bump the shoulder using a full-length or body die.

Does the Redding 81111 die come with everything needed for decapping and neck tension adjustment?

Yes, it includes a complete decapping rod assembly (#33223), a size and expander button (#39223) to ensure proper inner neck tension, a decapping pin, and a standard steel lock ring. It is crafted from case-hardened alloy steel that has been precision hand-polished for smooth workshop operation.

Neck Sizing Die - Redding 81111

The Redding 81111 Precision Neck Sizing Die is a dedicated reloading tool engineered to resize only the case neck and decap spent primers on fired .223 Remington brass. Machined from case-hardened alloy steel, heat-treated in atmospheric furnaces, and precision hand-polished, this die preserves the fire-formed body dimensions of your cartridge cases to match your rifle's chamber. By eliminating unnecessary working of the case body, it minimises brass work-hardening, reduces runout, and extends overall case life.

Key Features:

Targeted Neck Resizing: Resizes only the neck of .223 Remington cases while setting internal neck tension via the integrated size/expander button (#39223), leaving the fire-formed case body intact.
Integrated Decapping: Decaps spent primers in the same stroke using the complete decapping rod assembly (#33223) and decapping pin (#01060).
Standard Press Integration: Features industry-standard 7/8"-14 threads and includes a steel lock ring (#01016) for secure, repeatable installation in standard single-stage or turret presses.
Durable Construction: Built from hand-polished, case-hardened alloy steel to withstand continuous bench reloading.

Specifications:

Calibre: .223 Remington (accepts .224" diameter bullets)
Thread Interface: 7/8"-14 standard reloading press thread
Shellholder Requirement: Redding Shellholder #10 (sold separately)
Included Assemblies: Decapping rod assembly (#33223), expander button (#39223), decapping pin (#01060), and steel lock ring (#01016)
Weight: Approximately 0.30 kg to 0.35 kg
Operation: Manual reloading press application (no power requirements)

Who is the Redding Precision Neck Sizing Die for .223 Remington for?

Precision Target Shooters — Requires 7/8"-14 threaded single-stage or turret presses to resize fired .223 Remington brass without disturbing the fire-formed body geometry, preserving chamber alignment and reducing cartridge runout across dedicated bolt-action rifles.
Varmint Hunters — Benefits from working only the case neck on .223 Remington brass paired with a Redding Shellholder #10, significantly extending brass service life and reducing work-hardening over high-volume shooting sessions in a single bolt-action rifle.

Less suitable for: Reloading for semi-automatic, lever-action, or pump-action firearms, as well as mixed-chamber brass or cases that have accumulated 3 to 5 reload cycles without shoulder bumping; these platforms and conditions require a full-length sizing die or small-base full-length sizing die to ensure reliable chambering and restore factory headspace dimensions.

SKU	RD102107LP
Model #	81111
Brand	Redding
Shipping Weight	0.2000kg

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Redding 81111 Neck Sizing Die 223 Remington 7/8-14 Threads

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