What shellholder do I need to use with the Redding 91139 7mm-08 Remington Full Length Sizing Die?

This die requires a standard #1 shellholder (part #11001) or a Redding Competition Shellholder #1 (part #11601) to operate correctly. Please note that the shellholder is sold separately and is not included with the die body.

Will this die work on a reloading press from another brand like RCBS or Hornady?

Yes, the Redding 91139 features an industry-standard 7/8"-14 thread, making it fully compatible with all standard single-stage, turret, and progressive reloading presses sold in Australia that use this threading standard.

Does this full-length sizing die include a neck expander for the brass?

Yes, the die incorporates an integrated decapping rod assembly (#23283) complete with a neck expander button (#40283) and decapping pin (#01060). This allows you to deprime your spent primers and expand the case neck to the correct bullet seating tension in a single efficient stroke.

7mm-08 Sizing Die - Redding 91139

Q: Can I use the Redding 91139 die for 7mm-08 Ackley Improved cases or standard .308 Winchester brass?

No, this die is engineered exclusively for standard 7mm-08 Remington cases and is not compatible with modified variants like the 7mm-08 Ackley Improved or standard .308 Winchester brass without specialized re-forming dies.

The Redding 7mm-08 Remington Full Length Sizing Die (MPN: 91139) is a precision reloading die engineered to return fired 7mm-08 Remington cartridge cases to SAAMI minimum factory dimensions. Machined from heat-treated alloy steel, the die body resizes both the case body and neck while bumping the case shoulder to ensure dependable chambering across factory and custom chambers. It features an integrated decapping rod assembly that depresses and ejects spent primers, along with an internal expander button that sets neck tension for standard 0.284-inch (7mm) diameter bullets during the press upstroke.

Key Features

Full-Length Resizing: Restores fired case body, neck, and shoulder dimensions to SAAMI specifications to maintain smooth feeding in bolt-action, lever-action, and semi-automatic platforms.
Integrated Decapping and Expanding: Combines a replaceable decapping pin (#01060) on assembly #23283 with an expander button (#40283) to decap and set neck tension in a single stroke.
Upgrade Compatibility: Accommodates optional Redding Carbide Size Buttons (#49283) or Tapered Size Buttons (#16283) to reduce neck-sizing friction.
Standard Press Mounting: Uses standard 7/8"-14 threading with an included standard lock ring (#01016) for secure alignment across standard reloading presses.

Specifications

Calibre: 7mm-08 Remington
Compatible Bullet Diameter: 0.284 in (7mm)
Thread Size: Standard 7/8"-14
Shellholder Requirement: Standard shellholder #1 (part #11001) or Redding Competition Shellholder #1 (part #11601)
Material: Heat-treated alloy steel
Included Parts: Sizing die body, decapping rod assembly (#23283), decapping pin (#01060), neck expander button (#40283), standard lock ring (#01016)

Who is the Redding 7mm-08 Remington Full Length Sizing Die for?

Hunters and field shooters running varied actions — resizes the entire case body and bumps the shoulder to SAAMI minimum dimensions on standard 7/8"-14 thread presses, ensuring reliable feeding and smooth chambering across lever-action, semi-automatic, and mixed bolt-action 7mm-08 rifles.
Handloaders reloading brass for multiple 7mm-08 firearms — expands case necks to uniform tension for standard 0.284 in (7mm) projectiles and decaps spent primers in one pass, allowing mixed-source 7mm-08 Remington brass to cycle reliably in any standard chamber.

Less suitable for: Fire-formed brass dedicated to a single bolt-action rifle, or precision target reloaders requiring micro-adjustable neck tension without an expander button; a dedicated neck-sizing die or a Type S bushing full-length sizing die is better suited for those applications. It is also incompatible with modified variants like the 7mm-08 Ackley Improved.

SKU	RD102322LP
Model #	91139
Brand	Redding
Shipping Weight	0.2000kg

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Redding 91139 Full Length Sizing Die 7mm-08 Remington

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