What reloading press thread size and shellholder do I need to use with the Redding 81340?

The Redding 7x64 Brenneke Neck Sizing Die features an industry-standard 7/8"-14 thread, making it fully compatible with all standard single-stage and turret reloading presses available in Australia, such as the Redding Big Boss and RCBS Rock Chucker. To operate the die, you will need to pair it with a Redding Standard Shellholder #1 (Part #11001) or a Competition Shellholder #1 (Part #11601), which are sold separately.

Can I use this neck sizing die for my 7x64 Brenneke semi-automatic or straight-pull hunting rifle?

No, this die is not recommended for semi-automatic, straight-pull, lever-action, or pump-action firearms. Neck-only sizing leaves the case body and shoulder untouched to match a specific bolt-action chamber, which can result in feeding and chambering failures in repeating firearms where full-length sizing (using Redding #91340) is strictly required for reliable operation.

How often will I need to switch to a full-length sizing or body die when using this neck sizer?

Because the Redding 81340 only resizes the case neck and decaps spent primers while leaving the shoulder untouched, case shoulders will naturally migrate forward after 3 to 5 firings depending on your load pressures and brass hardness. Once you notice your bolt closing becoming stiff, you must temporarily switch to a full-length sizing die (#91340) or a body die (#75340) to bump the shoulder back before returning to neck sizing.

Does this reloading die require any electrical compliance or SAA/RCM certification for use in Australia?

No electrical compliance or SAA/RCM regulatory certification is required because the Redding 81340 is a purely mechanical reloading tool operated manually on a reloading press. It does not require electricity, 240V compatibility, or an Australian plug, making it safe and ready to use in your workshop or outback setup.

7x64 Brenneke Neck Die - Redding 81340

The Redding 7x64 Brenneke Neck Sizing Die (MPN: 81340) is a precision reloading tool engineered to resize cartridge case necks and decap spent primers without altering the fire-formed body or shoulder dimensions of the brass. Manufactured from heat-treated, case-hardened alloy steel, this die is built to standard 7/8"-14 threads, ensuring direct compatibility with standard single-stage and turret reloading presses. By sizing only the neck for .284 in (7mm) diameter bullets, it preserves the custom fit of fire-formed brass to a specific rifle chamber, minimising brass work-hardening and maintaining concentricity for enhanced accuracy.

Key Features

Neck-Only Sizing: Resizes the case neck and decaps spent primers while leaving the fire-formed case body and shoulder untouched.
Extended Case Life: Prevents repeated over-working and expanding of the cartridge body, significantly extending the service life of 7x64 Brenneke brass.
Chamber Alignment: Retains the exact fire-formed dimensions of the rifle chamber, promoting tighter alignment with the bore for improved shot-to-shot consistency.
Durable Construction: Precision-machined from case-hardened alloy steel and includes a decapping rod assembly (#24283), size button (#40283), decapping pin (#01060), and knurled lock ring (#01016).

Specifications

Brand: Redding Reloading Equipment
Model Number (MPN): 81340
Calibre: 7x64mm Brenneke
Compatible Bullet Diameter: .284 in (7mm)
Die Thread Standard: Industry-standard 7/8"-14 thread
Material: Heat-treated case-hardened alloy steel
Compatible Shellholder: Redding Standard Shellholder #1 (#11001) or Competition Shellholder #1 (#11601) (sold separately)
Power Requirements: None (purely mechanical operation)

Who is the Redding 7x64 Brenneke Neck Sizing Die for?

Handloaders loading for bolt-action rifles: Sizes exclusively the case neck for 7x64mm Brenneke cartridges using .284 in (7mm) diameter bullets, ensuring brass dedicated to a single bolt-action chamber maintains optimal alignment and concentricity without unnecessary full-length resizing.
Hunters and target shooters seeking extended brass life: Utilises neck-only sizing on industry-standard 7/8"-14 thread presses to eliminate repeated working of the case body and shoulder, reducing work-hardening across multiple firings of 7x64mm Brenneke brass.

Less suitable for: Firearms requiring guaranteed, effortless chambering under field conditions (such as semi-automatic, lever-action, straight-pull, or pump-action rifles), cartridges shared across multiple rifles, or brass that has experienced 3 to 5 firings where shoulder migration creates stiff bolt closure; these applications require a full-length sizing die or a dedicated body die to bump the shoulder back to factory specifications.

SKU	RD41915LP
Model #	81340
Brand	Redding
Shipping Weight	1.0000kg

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Redding 81340 7x64 Brenneke Neck Sizing Die 7/8"-14 Thread

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