Is the Redding 84288 Deluxe Die Set compatible with standard reloading presses used in Australia?

Yes, this die set features an industry-standard 7/8"-14 TPI thread interface, making it fully compatible with single-stage and turret presses from major brands commonly used by Australian reloaders, such as Redding, RCBS, Lyman, and Hornady.

Does this die set include everything needed out of the box to start reloading .300 RUM?

The set includes a Full-Length Sizing Die, a Neck Sizing Die, and a Standard Bullet Seating Die with a built-in crimp. However, you will need to purchase a standard Redding #6 shellholder separately, along with appropriate case lube for full-length resizing to prevent stuck cases.

Can I use the Redding 300 RUM Deluxe Die Set for .300 Winchester Magnum or .300 SAUM cases?

No, this die set is built exclusively for the .300 Remington Ultra Magnum bottleneck cartridge. It is dimensionally incompatible with .300 SAUM, standard .300 Winchester Magnum, or any other non-RUM .30-calibre variants.

Are there any electrical or regulatory compliance certifications required for this tool in Australia?

No electrical or regulatory certifications, such as Australian SAA or RCM frameworks, are required. Because this is an entirely mechanical handloading tool containing no electrical components, it does not connect to 240V mains power.

300 RUM Reloading Dies - Redding 84288

The Redding Series A Deluxe 3-Die Set for .300 Remington Ultra Magnum (.300 RUM) is a three-piece mechanical handloading kit designed for resizing fired cartridge cases and seating bullets. Machined from heat-treated alloy steel and hand-polished to prevent case scoring, this set provides both full-length resizing to return brass to factory SAAMI specifications and neck-only resizing to extend the working life of fire-formed brass. Built to industry-standard 7/8"-14 TPI threading, it integrates directly with standard single-stage and turret reloading presses.

Key Features

Three-Die Layout: Includes a Full-Length Sizing Die with decapping/expander unit, a dedicated Neck Sizing Die with decapping/expander rod, and a Standard Bullet Seating Die with integrated crimp capability.
Dual Sizing Capability: Allows handloaders to full-length size for dependable cycling in hunting scenarios, or neck size to preserve fire-formed chamber dimensions for bolt-action target accuracy.
Alloy Steel Construction: Precision-machined, heat-treated in atmospheric furnaces, and hand-polished for dimensional consistency and smooth case extraction.
Standard Press Interface: Features standard 7/8"-14 TPI threads for compatibility across standard single-stage and turret reloading presses.

Product Specifications

Product Name: Redding Series A Deluxe 3-Die Set – .300 Remington Ultra Magnum (.300 RUM)
Manufacturer Part Number (MPN): 84288
Calibre Compatibility: .300 Remington Ultra Magnum (.300 RUM), utilising standard .308 in (7.62 mm) diameter projectiles
Die Threading: 7/8"-14 TPI
Shellholder Requirement: Redding #6 shellholder (sold separately)
Packaged Dimensions: Approximately 11.2 × 4.7 × 15.1 cm (4.4 × 1.85 × 5.95 in)
Total Shipping Weight: Approximately 0.91 kg (2.0 lbs)
Power Requirements: None (purely mechanical)

Who is the Redding 300 Rum Remington Ultra Magnum Deluxe Die Set for?

Long-range hunters shooting .300 RUM bolt-action rifles — requires reliable chambering in field conditions, which the full-length sizing die in this 300 RUM reloading die set provides by restoring high-capacity cases to factory SAAMI dimensions on standard 7/8"-14 TPI presses.
Precision handloaders developing custom loads for .300 Remington Ultra Magnum — benefits from the dedicated neck-sizing die included in this 0.91 kg die set, which sizes only the case neck to maximise brass life and maintain fire-formed alignment in a single dedicated rifle chamber.

Less suitable for: Handloaders processing non-RUM .30-calibre cartridges such as .300 Winchester Magnum or .300 SAUM, which require distinct calibre-specific sizing dies, or reloaders requiring bushing-based neck tension control down to specific thousandths of an inch, who are better served by a dedicated bushing-style neck sizing die set.

SKU	RD41944LP
Model #	84288
Brand	Redding
Shipping Weight	1.0000kg

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Redding 84288 Deluxe Die Set 300 Rum 3-Die

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