Will the Redding 16336 size button fit directly onto my existing RCBS or Hornady decapping rods?

No, this size button is specifically designed to thread directly onto Redding standard decapping rods used in standard Full Length, Neck Sizing, and Type S Bushing Sizing dies. Using it with competing brands of decapping rods requires proprietary threading adaptors because of differing thread pitches.

Do I need to use case neck lube when expanding brass from 6.5mm up to .338 calibre with this tool?

Yes, because this is a precision heat-treated alloy steel button rather than a carbide model, it requires proper inside-neck lubrication during high-friction neck expansion steps. We recommend pairing it with a quality lubricant like Redding Imperial Sizing Die Wax to prevent brass galling or shoulder collapse during the reforming process.

Are there any electrical compliance or SAA/RCM certifications required for this tool in Australia?

No, the Redding 16336 is a purely mechanical reloading accessory with no electronic components or power requirements, so 240V mains compatibility and SAA/RCM electrical safety certifications do not apply. It is entirely unrestricted for import and use by Australian handloaders and wildcatters.

Redding 16336 Size Button - Redding 16336

The Redding Tapered Size Button From 6.5 To 338 Cal (MPN: 16336) is an alloy steel reloading component engineered to gently expand bottleneck cartridge case necks and reform brass. Designed with an elongated, precision-machined taper, this button allows handloaders to neck up donor brass starting from 6.5mm (.264 in) diameter parent cases up to .338 calibre (.338 in / 8.6 mm) during the sizing die withdrawal stroke without collapsing or crushing the case shoulder. It threads directly onto Redding standard decapping rod assemblies within standard Full Length Sizing Dies, Neck Sizing Dies, and Type "S" Bushing Sizing Dies.

Key Features

Gentle Neck Expansion: Features a gradual, precision-machined taper to expand case mouths smoothly while minimising neck stretch and internal friction.
Calibre Stepping Capability: Allows progressive case forming from 6.5mm parent donor brass directly up to .338 calibre.
Durable Construction: Manufactured from precision heat-treated and polished alloy steel for sustained wear resistance.
Die Compatibility: Threads directly onto standard Redding decapping rods used in Redding Full Length, Neck, and Type "S" Bushing Sizing Dies.

Product Specifications

Manufacturer: Redding Reloading Equipment
Model Number (MPN): 16336
Material: Heat-treated, polished alloy steel
Starting Calibre Diameter: 6.5mm (.264 in)
Final Calibre Diameter: .338 calibre (.338 in / 8.6 mm)
Thread Compatibility: Redding standard decapping rod assemblies
Packaged Dimensions: Approximately 50.8 × 76.2 × 12.7 mm (2 × 3 × 0.5 in)
Packaged Weight: Approximately 0.036 kg (0.08 lbs)

Who is the Redding Tapered Size Button From 6.5 To 338 Cal for?

Wildcat Handloaders and Case Reformers — Expands donor brass necks from 6.5mm (.264 in) up to .338 in (8.6 mm) without buckling the case shoulder, making this size button suited for reforming brass into .338-calibre wildcat and standard chamberings.
Precision Reloaders Using Redding Dies — Mounts directly onto Redding standard decapping rods in Full Length and Type "S" Bushing Sizing Dies to smoothly size .338-calibre inside case necks with reduced friction on the press upstroke.

Less suitable for: Handloaders seeking dry, non-lubricated neck expansion operations without applying case lubricant, who require a free-floating carbide size button kit instead, or those using non-Redding decapping rods that lack proprietary thread adaptors.

SKU	RD41469LP
Model #	16336
Brand	Redding
Shipping Weight	1.0000kg

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Redding 16336 Tapered Size Button 338 Calibre Steel

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