Will this Redding 66387 die set work with other .224 calibre cartridges like the .223 Remington?

No, this die set is calibrated exclusively for the .224 Valkyrie cartridge and will not properly size or seat other .224-calibre rounds like .223 Remington or 22-250 Rem. It is engineered specifically to meet the dimensions and SAAMI chamber specifications of the .224 Valkyrie.

What shellholder do I need to use with the Redding 66387 2-Die Set on my reloading press?

You will need a Redding #5 shellholder, which is sold separately. The die bodies themselves feature industry-standard 7/8"-14 threads, meaning they will screw directly into any standard single-stage, turret, or progressive reloading press available in Australia.

Can I reload extremely sharp Very Low Drag (VLD) bullets with the standard seating micrometer in this set?

The standard seating micrometer stem included in the 66387 set is designed for standard tangent and common target profiles. If you are loading extremely sharp VLD bullets, you may experience meplat deformation and will want to swap to an optional dedicated VLD Micrometer stem such as the Redding #09184.

Does the sizing die in this set require inside-neck lubrication?

The full-length sizing die comes equipped with a free-floating carbide size button, which significantly reduces friction when pulling back through the case neck. This allows for smoother case neck expansion requiring little to no inside-neck lubrication while preventing excess neck stretch.

224 Valkyrie Die Set - Redding 66387

The Redding Premium Full Length 2-Die Set for .224 Valkyrie (MPN 66387) is a precision reloading tool designed to resize fired brass cases and seat bullets to exact depths. Built on Redding's Series A platform with standard 7/8"-14 threaded die bodies, this two-die set includes a full-length resizing die with a free-floating carbide expander button and a premium seating die equipped with a top-mounted bullet seating micrometer.

Key Features

Carbide Size Button: The free-floating carbide expander button inside the full-length resizing die reduces drag during case neck expansion, minimising neck stretch and brass fatigue.
Bullet Seating Micrometer: The premium seating die features a micrometer adjustment calibrated in direct 0.001" increments, allowing exact cartridge overall length (COAL) and bullet jump adjustments without trial-and-error stem locking.
Full-Length Resizing: Restores fired brass to factory SAAMI dimensions on every pass to ensure dependable feeding and chambering in bolt-action and semi-automatic platforms.
Built-In Crimp: The seating die includes an integrated crimp capability for securing projectiles.

Specifications

Manufacturer Part Number (MPN): 66387
Calibre: .224 Valkyrie (0.224" bullet diameter)
Thread Interface: Industry-standard 7/8"-14 threaded die bodies
Required Shellholder: Redding #5 Shellholder (sold separately)
Set Package Weight: 0.5-0.6 kg
Power Requirements: Unpowered mechanical reloading tooling

Who is the Redding Premium Full Length 2-Die Set for .224 Valkyrie Reloading for?

Precision long-range target shooters using .224 Valkyrie — Adjust bullet seating depth and cartridge overall length in precise 0.001" increments using the integrated micrometer on this Redding reloading die set, allowing fine-tuning of bullet jump for match-grade consistency.
Varmint hunters loading .224 Valkyrie ammunition — Mount this 0.5-0.6 kg die set directly into any standard press using the industry-standard 7/8"-14 threaded die bodies to produce fully resized, SAAMI-compliant high-velocity hunting rounds that cycle reliably.

Less suitable for: Loaders seeking tooling for other .224-calibre cartridges such as .223 Remington or .22-250 Remington, as tooling dimensions are restricted exclusively to .224 Valkyrie, requiring a dedicated calibre-specific die set. It is also less suitable for seating extremely sharp Very Low Drag projectiles without an optional dedicated VLD micrometer stem, which is required to prevent meplat deformation.

SKU	RD102172LP
Model #	66387
Brand	Redding
Shipping Weight	0.2000kg

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Redding 66387 Premium Die Set .224 Valkyrie Carbide Button

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