Will this neck sizing die fit my standard reloading press purchased in Australia?

Yes, the Redding 260 Rem Ackley Improved neck sizing die features industry-standard 7/8"-14 TPI threading, making it fully compatible with all major reloading presses commonly used in Australia, such as Redding, RCBS, Lyman, Hornady, and Lee.

Do I need any additional parts or shellholders to start reloading with this die?

Yes, you will need a compatible shellholder, specifically a Redding Shellholder #1 or an equivalent standard #1 shellholder from another major manufacturer, which is sold separately. Additionally, because this is a neck-sizing die, it requires your brass to be previously fire-formed in your specific .260 Remington Ackley Improved chamber.

How often will I need to full-length size or bump the shoulder back when using this neck sizing die?

While neck sizing significantly prolongs case life and improves concentricity by only working the neck, case bodies will eventually expand after typically 3 to 5 firings depending on your load pressure. Once you notice tight or stiff bolt closure, you will need to transition temporarily to a Body Die or Full-Length Sizing Die to bump the 40° shoulder back.

Are there any electrical compliance or SAA certifications required for this reloading die in Australia?

No, this is a completely manual, mechanical steel reloading component requiring zero electrical input. Therefore, 240V power considerations, SAA safety approvals, and RCM compliance markings are entirely non-applicable to this product.

Neck Sizing Die - Redding 81623R

The Redding 260 Rem Ackley Improved 40° Neck Sizing Die (MPN 81623 / 81623R) is a dedicated reloading die designed to decap spent primers and resize only the neck of fire-formed cartridge cases. By leaving the fire-formed case body and 40° shoulder unaltered, this die preserves the precise dimensions of a specific rifle chamber while reducing brass fatigue. Machined from heat-treated alloy steel, it features standard 7/8"-14 TPI threading for compatibility with standard reloading presses and is built for handloaders working with .264" (6.5mm) diameter projectiles.

Key Features

Neck-Only Sizing: Resizes only the case neck and decaps spent primers, eliminating unnecessary working of the brass body and preserving fire-formed chamber fit.
Enhanced Case Life: Minimizes cyclic brass stretching and stress, extending the working life of specialized Ackley Improved cases.
Standard Thread Compatibility: Uses industry-standard 7/8"-14 TPI threading to mount directly into standard single-stage and progressive reloading presses.
Decapping and Expander Assembly: Includes a steel decapping rod and standard expander button designed for uniform inside neck diameters when seating .264" bullets.

Specifications

Product Name: Redding .260 Remington Ackley Improved 40° Neck Sizing Die
Manufacturer Part Number (MPN): 81623 / 81623R
Calibre Compatibility: .260 Remington Ackley Improved (40° shoulder)
Bullet Diameter: .264" (6.5mm)
Press Thread Interface: 7/8"-14 TPI
Shellholder Compatibility: Redding #1 Shellholder (or equivalent standard #1 shellholder; sold separately)
Material: Heat-treated alloy steel

Who is the Redding 260 Rem Ackley Improved 40° Neck Sizing Die for?

Precision Target Shooters — Requires this Ackley Improved neck sizing die to size only the neck for .264" diameter projectiles, maintaining custom fire-formed alignment to a single bolt-action chamber without disturbing the 40° shoulder geometry.
Long-Range Competition Shooters — Relies on this 7/8"-14 TPI threaded Ackley Improved neck sizing die to minimize cyclic brass working and optimize case concentricity across repeated match firings.

Less suitable for: Semi-automatic, lever-action, or multi-rifle use where full-length sizing is strictly required for reliable feeding, or for cartridges that have exceeded 3 to 5 firings and exhibit tight bolt closure due to body expansion, which instead require a dedicated body die or full-length sizing die.

SKU	RD41923LP
Model #	81623R
Brand	Redding
Shipping Weight	1.0000kg

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Redding 81623r Neck Sizing Die 260 Remington Ackley Improved

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