What dies are compatible with the Redding .239 Heat-Treated Steel Neck Sizing Bushing?

This bushing freely interchanges across all Redding Bushing-style dies, including Type S Bushing Neck Dies, Type S Full Length Dies, and Competition Bushing Neck Sizing Dies. It is also fully compatible with standard Wilson-style neck sizing dies, featuring standard external dimensions of a 1/2-inch outer diameter and 3/8-inch length.

Do I need to use case neck lubrication with this heat-treated steel bushing?

Yes, Redding recommends using case neck lubrication when operating heat-treated steel bushings to prevent brass galling and ensure smooth operation. For Australian reloaders looking for dry-neck sizing without external lube, Redding Titanium Nitride TiN bushings serve as the alternative high-volume option.

Are there any Australian electrical or regulatory compliance requirements for this reloading component?

No, electrical compliance certifications such as SAA or RCM and 240V mains compatibility do not apply to this product. The Redding 73239 is an entirely passive, non-powered mechanical reloading component that is fully legal and unrestricted for direct sale and use across Australia.

Neck Sizing Bushing - Redding 73239

The Redding .239 Heat-Treated Steel Neck Sizing Bushing (MPN 73239) is a precision reloading component engineered to size the outside case neck of brass cartridge cases without working the body or shoulder. Featuring an inside sizing diameter of 0.239 inches, it allows handloaders to set exact neck tension and reduce brass work-hardening to extend cartridge case life. It is compatible with all Redding Type S Bushing Neck Dies, Type S Full Length Dies, Competition Bushing Neck Sizing Dies, and standard Wilson-style neck sizing dies.

Key Features

Precision Neck Tension Control: Sizes only the outer case neck to a precise 0.239-inch inside diameter, maintaining case concentricity and extending brass life.
Wear-Resistant Construction: Manufactured from heat-treated steel with a surface hardness rating of Rockwell C 60–62 for long-term dimensional stability.
Polished Bore: Features a hand-polished internal bore to minimise sizing friction and neck drag during brass entry and exit strokes.
Lead-In Bevels: Incorporates smoothly bevelled entry surfaces to ensure seamless, non-binding brass alignment into the sizing aperture.
Universal Modular Fit: Built with industry-standard external dimensions of 1/2-inch outer diameter and 3/8-inch length to freely interchange across compatible bushing-style dies.

Specifications

Brand: Redding Reloading Equipment
Model / MPN: 73239
Inside Sizing Diameter: 0.239 inches
Outer Diameter (O.D.): 1/2 inch (approx. 12.7 mm)
Length: 3/8 inch (approx. 9.5 mm)
Material: Heat-treated steel
Surface Hardness: Rockwell C 60–62
Weight: Approximately 10–15 grams (unboxed)
Die Compatibility: Redding Type S Neck & Full Length Dies, Redding Competition Bushing Dies, and Wilson-style neck sizing dies
Lubrication: Case neck lubrication recommended

Who is the Redding .239 Heat-Treated Steel Neck Sizing Bushing for?

Precision rifle cartridge reloaders — Sizing brass necks to an exact 0.239-inch inside diameter enables shooters working with .22 calibre cartridges (such as .223 Remington or .22-250 Remington) to set precise bullet grip without overworking brass.
Benchrest reloaders using bushing-style dies — The heat-treated steel neck sizing bushing features a Rockwell C 60–62 surface hardness and a standard 1/2-inch outer diameter by 3/8-inch length to maintain dimensional consistency across repetitive match-prep sizing cycles.

Less suitable for: High-volume reloaders requiring dry-neck sizing without external case lubricant, who are better served by titanium nitride (TiN) coated neck sizing bushings.

SKU	RD41762LP
Model #	73239
Brand	Redding
Shipping Weight	1.0000kg

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Redding 73239 Neck Sizing Bushing Steel 0239 Inch

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