Is the Redding 99383 carbide kit compatible with standard Redding Type-S Bushing Dies?

No, this specific kit (SKU 99383) is exclusively designed for Redding Competition Bushing Style Dies. If you are using standard Redding Type-S Full Length or Type-S Neck Dies, you will need to purchase the Redding 49283-style kit instead.

What calibres can I use with the Redding 7mm Carbide Kit For Competition Bushing Die?

This kit is built strictly for 7mm (.284 calibre) bottleneck cartridge cases. It is fully compatible with popular precision chambers such as 7mm-08 Remington, 7mm Remington Magnum, .284 Winchester, 7mm PRC, and 7mm SAUM.

Does this carbide expander button require any special licensing or electrical compliance under Australian law?

As a non-powered, mechanical reloading accessory, the Redding 99383 requires no electrical certifications like SAA or RCM. Furthermore, it is classified as an unregulated firearm accessory under Australian state and territory firearms legislation, meaning no specific firearm licence endorsement is required to purchase it.

How does upgrading to a carbide expander button improve my reloading process?

The solid carbide sizing button provides lube-free interior case neck expansion on the press up-stroke, eliminating the need to apply inside-neck lubricants that can foul powder. Because carbide offers a lower coefficient of friction than standard steel, it significantly reduces neck stretch, brass fatigue, and shoulder movement while free-floating to naturally self-center and minimize case neck runout.

7mm Carbide Kit - Redding 99383

The Redding 7mm Cal. Carbide Kit For Competition Bushing Die (MPN 99383) is a precision handloading upgrade engineered to expand the interior of 7mm case necks without inside-neck lubrication. Designed as an ultra-compact mechanical sub-assembly with an approximate package weight of 30 to 50 g, this kit replaces the standard steel expander button in compatible dies. Its solid carbide construction significantly reduces friction and brass drag on the press up-stroke, preventing case neck stretching, shoulder displacement, and induced cartridge eccentricities during the resizing process.

Key Features

Lube-Free Neck Expansion: The solid carbide expander button glides smoothly through the case neck, establishing consistent internal diameter and tension without requiring inside-neck lube.
Self-Centering Free-Floating Design: Floats naturally on the decapping rod assembly to self-align inside the case neck, minimising total radial runout.
Reduced Brass Fatigue: Low-friction carbide reduces pulling forces on the case shoulder and neck wall, extending brass service life.
Complete Sub-Assembly: Supplied with 1x 7mm solid carbide sizing button, 1x dedicated retainer/adaptor, and spare decapping pin(s).
Purely Mechanical Operation: Requires no electrical connections or external power supply, functioning entirely via standard reloading press mechanical leverage.

Product Specifications

Brand: Redding Reloading Equipment
Model / MPN: 99383
Calibre Compatibility: 7mm (.284 calibre) bottleneck cartridge cases (e.g., 7mm-08 Remington, 7mm Remington Magnum, .284 Winchester, 7mm PRC, 7mm SAUM)
Die System Compatibility: Redding Competition Bushing Style Dies exclusively
Material: Solid carbide expander button with steel adaptor components
Total Packaged Weight: Approximately 30–50 g

Who is the Redding 7mm Cal. Carbide Kit For Competition Bushing Die for?

Precision long-range target reloaders — requiring consistent neck tension across 7mm (.284 calibre) cartridge cases without introducing lubricant contamination inside the neck or inducing runout.
High-volume handloaders using Redding Competition Bushing Dies — seeking to eliminate the inside-neck chamfering and lubing steps on 7mm (.284 calibre) brass to streamline sizing cycles while reducing case neck stretch.

Less suitable for: Handloaders running standard Redding Full-Length dies or standard Type-S Bushing Dies, which require a dedicated non-competition expander button conversion kit (such as SKU 49283), or reloaders processing non-7mm cartridge calibres.

SKU	RD41969LP
Model #	99383
Brand	Redding
Shipping Weight	1.0000kg

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Redding 99383 Carbide Kit 7mm Competition Bushing Die

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