Does the Redding 300 Norma Magnum Type S Neck Die come with a neck sizing bushing included?

No, the neck sizing bushings are sold separately to allow handloaders to select the exact 0.001-inch increment needed for their specific brass neck-wall thickness. If you need a bushing for this calibre, we stock matching options such as the Redding 73333 Neck Sizing Bushing with a 0.333-inch diameter. This modular design ensures you achieve precise neck tension without over-working your fire-formed brass.

What shellholder do I need to use this 7/8"-14 threaded die on my standard Australian reloading press?

This die is built with standard 7/8"-14 reloading press threads, making it fully compatible with single-stage and turret presses commonly used by Australian handloaders, such as the Redding Big Boss or RCBS Rock Chucker. To seat the 300 Norma Magnum cases properly, you will need either the Redding Shellholder #35 (Part #11035) or the Redding Competition Shellholder #11635. As a fully mechanical tool, it requires no electrical compliance certifications or mains power.

How many reload cycles can I perform before I need to switch from this neck-sizing die to full-length resizing?

Because this die only resizes the neck portion of fire-formed brass to control neck tension without altering the body dimensions, case bodies will gradually expand and shoulders will migrate forward after 3 to 5 firing cycles. When you begin to notice chambering resistance or bolt lift issues, the manufacturer recommends switching to a Redding Body Die (Model 75928) or a Type S Full Length Sizing Die (Model 77928). Neck sizing alone is strictly intended for bolt-action rifles firing brass dedicated to that exact chamber.

Redding 300 Norma Magnum Neck Die - 71928

The Redding 300 Norma Magnum Type S - Neck Die (Model 71928) is a dedicated reloading tool designed to resize only the neck of fire-formed .300 Norma Magnum cartridge brass. Built to standard 7/8"-14 reloading press threading, this die leaves the fire-formed case body and shoulder untouched while allowing handloaders to precisely regulate neck tension. It utilizes a freely floating, self-centering bushing system to reduce neck runout and optimize concentricity for .308-inch (7.62 mm) projectiles.

Key Features

Targeted Neck-Only Sizing: Resizes exclusively the neck area without altering the case body dimensions or bumping the shoulder of fire-formed cases.
Interchangeable Bushing Capability: Accepts standard Redding neck sizing bushings adjustable in 0.001-inch increments to match specific brass wall thicknesses.
Self-Centering Bushing Mechanism: Allows the internal bushing to float freely, maintaining precise neck-to-case-body concentricity during the sizing stroke.
Configurable Decapping Assembly: Equipped with decapping rod assembly #23730 and steel expander button #40307, with the option to remove the expander for turned necks or fit an optional carbide size button #49307.
Standard Press Mounting: Features standard 7/8"-14 threads and includes Redding lock ring #01016 for secure placement in single-stage and turret presses.

Specifications

Product Model: 71928
Cartridge Calibre: .300 Norma Magnum (.308 in / 7.62 mm projectile diameter)
Die Thread Interface: 7/8"-14 standard reloading press thread
Bushing Adjustment Increment: 0.001 inches (bushings sold separately)
Expander Size Button: Steel expander #40307 (decapping pin #01060)
Compatible Shellholders: Redding Shellholder #35 (Part #11035) or Competition Shellholder #11635
Packaged Weight: Approximately 250 g to 350 g

Who is the Redding 300 Norma Magnum Type S - Neck Die for?

Long-range precision rifle shooters handloading for bolt-action rifles — provides precise control over bullet grip on this 300 Norma Magnum neck sizing die using interchangeable bushings stepped in 0.001-inch increments while mounting into standard 7/8"-14 presses.
Extreme long-range (ELR) competitors reloading fire-formed 300 Norma Magnum brass — sizes only the neck area to preserve chamber-matched case dimensions across repeated firings using the included #40307 expander button or a pure bushing-only sizing setup.

Less suitable for: Semi-automatic platforms, mixed-rifle brass lots, or cases showing bolt-lift resistance after 3 to 5 firing cycles due to shoulder migration and body expansion; these scenarios require a dedicated body die or a full-length sizing die to restore factory external dimensions and ensure reliable chambering.

SKU	RD41741LP
Model #	71928
Brand	Redding
Shipping Weight	1.0000kg

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Redding 71928 Type S Neck Die 300 Norma Magnum Reloading Tool

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