Is the Redding 81531 neck sizing die compatible with my standard single-stage reloading press?

Yes, the Redding 81531 features an industry-standard 7/8"-14 TPI thread interface, making it fully compatible with all standard single-stage and progressive reloading presses widely used by handloaders in Australia, such as the RCBS Rock Chucker and Redding Big Boss. You will also need to separately acquire a standard #1 shellholder to secure your .260 Remington cases in the press ram.

Can I use this neck sizing die for .260 Remington brass that will be fired in a semi-automatic rifle?

No, neck sizing dies like the Redding 81531 are specifically engineered for bolt-action rifles where fired brass is reused exclusively in the same chamber. Because semi-automatic, lever-action, and pump-action rifles require positive and reliable feeding, brass fired in them must be full-length resized using a dedicated full-length sizing die to prevent chambering jams.

What should I do if my .260 Remington bolt starts feeling hard to close after 4 or 5 firings with this neck sizing die?

Neck sizing only resizes the neck and leaves the fire-formed case body untouched, which can cause the brass body to gradually expand and create chambering drag after 3 to 5 firings. When this happens, you will need to temporarily switch to a full-length sizing die or a body die to bump the shoulder back and restore smooth chambering in your bolt-action rifle.

Does this neck sizing die include everything needed to decap and expand the case mouth in one step?

Yes, the Redding 81531 comes complete with an integrated decapping rod assembly, steel expander button, and decapping pin. This allows you to punch out spent primers and uniformly expand the inside case neck to the correct 0.264-inch bullet-holding diameter simultaneously during the upstroke and downstroke of your press.

.260 Rem Sizing Die - Redding 81531

The Redding Neck Sizing Die for .260 Remington (SKU 81531) is a precision handloading tool engineered to resize only the neck of fired bottleneck cartridge cases while maintaining the fire-formed dimensions of the case body and shoulder. Machined from heat-treated, case-hardened alloy steel with polished internal surfaces, this die simultaneously decaps spent primers and expands the inside neck to the correct bullet-holding diameter. Sizing only the neck minimizes metal work-hardening to extend brass life and preserves the exact fit between the cartridge case and the rifle chamber.

Neck-Only Sizing: Resizes the case neck for proper tension while leaving the fire-formed shoulder and body untouched to maximize chamber alignment and reduce brass fatigue.
Integrated Decapping and Expansion: Includes a complete decapping rod assembly (#33263), decapping pin (#01060), and steel expander button (#39263) to deprime and set inside neck tension in a single press stroke.
Industry-Standard Mounting: Features standard 7/8"-14 TPI threads with an included lock ring (#01016), ensuring direct compatibility with single-stage and progressive reloading presses.
Precision Construction: Manufactured from heat-treated, case-hardened alloy steel with a polished interior to ensure uniform neck dimensions and smooth operation.

Technical Specifications

Calibre: .260 Remington (0.264" / 6.5 mm bullet diameter)
Thread Interface: 7/8"-14 TPI
Shellholder Requirement: Standard #1 shellholder (sold separately)
Material: Case-hardened, heat-treated alloy steel
Operation: Manual / non-powered mechanical (0V, 0W)

Who is the Redding Neck Sizing Die for .260 Remington for?

Precision handloaders dedicated to a single bolt-action rifle — requires maintaining fire-formed dimensions for .260 Remington (0.264" bullet diameter) brass to achieve consistent chamber alignment and prolonged case lifespan across repeat loadings using a standard 7/8"-14 TPI press interface.
Long-range target shooters — relies on uniform neck tension without overworking the brass body on .260 Remington cartridges, reducing metal fatigue and extending the functional life of match-grade brass cases.

Less suitable for: Handloaders cycling ammunition through semi-automatic, pump-action, or lever-action actions, shooters sharing ammunition across multiple rifles, handloaders working with .260 Remington Ackley Improved (260 AI) chambers, or cases experiencing hard bolt-close after 3 to 5 firings due to body expansion; these applications require a full-length sizing die or dedicated body die to bump the shoulder and resize the case body to factory specifications.

SKU	RD102528LP
Model #	81531
Brand	Redding
Shipping Weight	0.2000kg

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Redding 81531 Neck Sizing Die 260 Remington Reloading

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