Will the Redding 49364 Carbide Size Button Kit fit my existing RCBS or Hornady sizing dies?

No, this kit is specifically engineered for standard Redding decapping rod assemblies and is not compatible with non-Redding dies from brands like RCBS, Hornady, or Lee. It is designed to replace standard steel expander buttons in Redding bottleneck sizing dies for 9.3mm cartridges.

Do I still need to use case neck lube inside the brass when resizing with this carbide button?

One of the main benefits of the tungsten carbide construction is that it provides an ultra-smooth, low-friction surface, entirely eliminating the need for internal case neck lubrication. This speeds up your high-volume case preparation and prevents powder contamination from residual neck oils.

Is this carbide size button compatible with Redding Competition Bushing Neck Sizing Dies?

No, the MPN 49364 kit is incompatible with Redding Competition Bushing Neck Sizing Dies, which require dedicated cartridge-specific competition kits. It is built to fit standard Redding Full-Length Sizing Dies, Neck Sizing Dies, and Type-S Bushing Dies used for European calibres like the 9.3x62 Mauser.

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

As a purely mechanical handloading component, this product does not use mains electricity and is completely exempt from 240V compatibility requirements and SAA/RCM regulatory certifications. It is built for reliable performance on your reloading bench in Australian workshop conditions.

Redding 49364 Carbide Size Button - Redding 49364

The Redding 9.3mm Carbide Size Button Kit (MPN: 49364) is a drop-in internal upgrade designed to replace factory steel expander buttons in standard Redding bottleneck sizing dies. Engineered with a free-floating tungsten carbide expander button, this kit expands the inside of case necks on the upstroke while self-centering to reduce neck runout. The ultra-smooth, low-friction tungsten carbide material eliminates the need to lubricate the inside of cartridge case necks, preventing potential powder contamination and speeding up case preparation for 9.3mm rifle cartridges.

Key Features

Free-Floating Expander Design: Allows the carbide button to self-centre inside the case neck on the decapping rod assembly, minimising brass distortion and runout.
Low-Friction Tungsten Carbide: Expands case necks smoothly during the sizing stroke without requiring inside-neck lubrication.
Complete Replacement Assembly: Supplied with one free-floating 9.3mm tungsten carbide expander button, a dedicated threaded retainer/adapter, and a replacement decapping pin.
Standard Die Compatibility: Fits standard Redding Full Length Sizing Dies, Neck Sizing Dies, and Type-S Bushing Dies chambered for 9.3mm cartridges (including 9.3x62 Mauser, 9.3x57 Mauser, 9.3x64 Brenneke, and 9.3x74R).
Non-Powered Operation: Purely mechanical handloading accessory requiring no electrical power or external adapters.

Product Specifications

Calibre: 9.3mm
Bullet Diameter Compatibility: .366 in (9.3mm)
Manufacturer Part Number (MPN): 49364
Material: Tungsten carbide expander button with steel adapter hardware
Unit Weight: Approximately 20–30 g
Packaging Weight: Approximately 0.05 kg
Die System Compatibility: Redding 7/8"-14 standard bottleneck sizing dies using decapping rod assembly #24364 (rod #01024)

Who is the Redding 9.3mm Carbide Size Button Kit for?

Large-Game Rifle Handloaders — Sizing brass for heavy European calibres with a .366 in bullet diameter (such as 9.3x62 Mauser for hunting sambar deer and feral buffalo) benefits from this carbide size button kit, which maintains neck concentricity without applying inside-neck lube.
High-Volume Precision Reloaders — Processing bulk 9.3mm calibre rifle brass with a compact 0.05 kg manufacturer packaging weight assembly eliminates the manual step of inside-neck lubricating while preventing residual lubricant from contaminating powder charges.

Less suitable for: Handloaders using Redding Competition Bushing Neck Sizing Dies or third-party die bodies (such as non-Redding 7/8"-14 sizing dies), which require dedicated Competition-series carbide button kits or manufacturer-specific decapping rod assemblies.

SKU	RD41649LP
Model #	49364
Brand	Redding
Shipping Weight	1.0000kg

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Redding 49364 Carbide Size Button Kit 9.3mm Reloading

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