Does this Redding steel die set require case lubrication before sizing?

Yes, because the Redding 80278 is a standard heat-treated alloy steel die set rather than a carbide set, applying a quality case lubricant to every .460 S&W Magnum case is mandatory before running them through the resizing die. Attempting to size unlubricated cases will cause the brass to stick firmly inside the die.

What thread size do these dies use, and will they fit my existing reloading press?

The Redding 80278 dies feature the industry-standard 7/8"-14 TPI thread pitch. They are fully compatible with standard single-stage and progressive reloading presses on the Australian market that accept this universal thread size.

Which shellholder do I need to purchase separately for this 460 S&W Magnum die set?

This three-die set does not include a shellholder in the box. You will need to separately acquire a Redding #23 shellholder (Part #11023) to securely hold your .460 S&W Magnum cases on your press ram.

Can I use these .460 S&W Magnum dies to reload shorter .45 Colt or .454 Casull cases?

No, you cannot substitute these dies for shorter cases. Due to the extended 1.800-inch (45.7 mm) case length of the .460 S&W Magnum, this die set is dedicated strictly to its specific chamber dimensions and is incompatible with standard .45 Colt or .454 Casull cartridges.

Are there any electrical compliance requirements or Australian certifications needed for this product?

No electrical compliance or SAA/RCM certifications are required. The Redding 80278 is an entirely mechanical, unpowered handloading tool designed for manual workshop operation.

What is included in the box with the Redding 80278 die set?

The package contains a Full-Length Sizing Die with a decapping rod assembly, an Expander Die for neck flaring, and a Bullet Seating Die with an integrated roll crimp ring. It also comes with a hard plastic storage box that doubles as a cartridge loading block, a spare decapping pin, and a hex wrench.

460 S&W Magnum Dies - Redding 80278

The Redding 80278 460 S&W Magnum Steel Three Die Set is a precision handloading tool engineered to resize fired cases, expand case mouths, and seat projectiles for .460 Smith & Wesson Magnum ammunition. Machined from heat-treated alloy steel on Hardinge Super-Precision lathes and hand-polished, this three-die configuration delivers exact SAAMI-specification tolerances for high-pressure straight-wall cases. The dies feature the standard 7/8"-14 TPI thread pitch to integrate with conventional single-stage and progressive reloading presses.

Key Features

Full-Length Steel Sizer Die: Deprimes spent primers and returns the full 1.800" (45.7 mm) cartridge case body back to factory dimensions.
Expander Die: Flares the case mouth to properly seat .452" diameter bullets without shaving lead or copper jacket material.
Bullet Seating Die with Built-In Crimp: Accurately seats projectiles to the intended overall length and applies a firm roll crimp to prevent bullet movement under intense magnum recoil.
Precision Construction: Heat-treated alloy steel construction ensures long service life and resistance to dimensional wear.
Included Accessories: Supplied in a dedicated plastic storage box that functions as a cartridge loading block, along with a spare decapping pin and a hex wrench.

Specifications

Brand / Part Number: Redding Reloading Equipment / 80278
Calibre: .460 Smith & Wesson Magnum
Bullet Diameter Compatibility: .452"
Case Length Compatibility: 1.800" (45.7 mm)
Press Thread Pitch: 7/8"-14 TPI
Required Shellholder: Redding #23 (sold separately)
Material: Heat-treated alloy steel
Total Boxed Weight: Approximately 0.6–0.7 kg
Individual Die Length: Approximately 10–12 cm

Who is the Redding 80278 460 S&W Magnum Steel Three Die Set For?

Handloaders reloading high-pressure .460 S&W Magnum revolvers and rifles — requires dedicated tooling to process extended 1.800" (45.7 mm) case lengths and apply the necessary roll crimp on .452" diameter projectiles using this 460 S&W Magnum reloading die set.
Reloaders seeking a durable steel three-die set who standardise on case lubrication — utilizes precision-machined alloy steel designed for 7/8"-14 TPI presses, delivering exact dimensional sizing for straight-wall magnum cases during routine lubricated handloading.

Less suitable for: Handloaders who require dry-sizing straight-wall brass without applying case lubricant, or those processing shorter .45 Colt and .454 Casull cases; a dedicated titanium carbide three-die set or calibre-specific die set for shorter straight-wall cartridges is better suited for those operations.

SKU	RD102433LP
Model #	80278
Brand	Redding
Shipping Weight	0.2000kg

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Redding 80278 460 S&W Magnum Steel Three Die Set Reloading Tool

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