What sizing dies are compatible with the Redding 73338 heat-treated steel neck sizing bushing?

The Redding 73338 bushing directly fits all Redding Type S Bushing Sizing Dies (both Full-Length and Neck), Redding Competition Neck Sizing Dies, and is also fully interchangeable with standard L.E. Wilson bushing dies. It features a standard outer diameter of 1/2 inch and a length of 3/8 inch, designed specifically for precision benchtop reloading setups.

Do I need to apply lubrication to case necks when using this standard steel bushing?

Yes, standard heat-treated carbon steel bushings require a light application of case-neck lubricant during the sizing process to ensure smooth operation and prevent brass scuffing. If you prefer to size your brass without using case neck lube, you may want to consider stepping up to the Titanium Nitride (TiN) coated bushing line instead.

Are there any Australian electrical or regulatory compliance requirements to purchase this bushing?

No electrical compliance or certifications such as SAA or RCM apply, as this is a purely mechanical reloading tool component requiring no mains power. Furthermore, it is an unrestricted accessory under Australian firearm and reloading equipment regulations, meaning no special permits are required for purchase, import, or possession.

Neck Sizing Bushing - Redding 73338

The Redding .338 Heat-Treated Steel Neck Sizing Bushing (MPN: 73338) is a precision reloading component engineered to size the outside neck diameter of brass cartridge cases to an exact 0.338 inches. Designed for use in Redding Type S Bushing Sizing Dies (both Full-Length and Neck), Redding Competition Neck Sizing Dies, and interchangeable L.E. Wilson bushing dies, it enables handloaders to precisely control neck tension without over-working the brass. By eliminating standard expander balls, it minimises brass fatigue, improves case concentricity, and reduces neck runout during the sizing stroke.

Key Features

Precise Neck Tension Control: Formed to a 0.338-inch internal diameter to establish uniform bullet grip and consistent release across fired cases.
Wear-Resistant Hardness: Precision-machined from carbon steel and heat-treated to a surface hardness of Rockwell C 60–62 for long service life and dimensional stability.
Hand-Polished Finish: Features a hand-polished internal sizing surface to reduce friction and brass galling when used with standard case neck lubricant.
Standard Interchangeability: Built to standard external dimensions of 1/2 inch outer diameter by 3/8 inch height, ensuring drop-in compatibility with standard Redding and L.E. Wilson bushing dies.

Product Specifications

Manufacturer Part Number (MPN): 73338
Internal Sizing Diameter: 0.338 inches
External Diameter (OD): 1/2 inch (12.7 mm)
Length / Height: 3/8 inch (9.525 mm)
Material: Heat-treated carbon steel
Surface Hardness: Rockwell C 60–62 (Rc 60–62)
Die Compatibility: Redding Type S Full-Length & Neck Sizing Dies, Redding Competition Neck Sizing Dies, and L.E. Wilson bushing dies
Lubrication Requirement: Requires case neck lubricant

Who is the Redding .338 Heat-Treated Steel Neck Sizing Bushing for?

Precision rifle handloaders reloading for .338 caliber cartridges — sizes brass case necks to an exact 0.338 inches internal diameter to set uniform bullet grip without using an internal expander ball.
Competitive benchrest shooters tuning neck tension and concentricity — delivers smooth, repeatable neck reduction with a surface hardened to Rockwell C 60–62 and sized to standard 1/2 inch by 3/8 inch die dimensions to minimise runout.

Less suitable for: Handloaders sizing magnum cartridge cases that require neck diameters above .368", which exceed this standard 1/2 inch by 3/8 inch format and require larger-format 5/8" OD x 1/2" long neck sizing bushings.

SKU	RD41780LP
Model #	73338
Brand	Redding
Shipping Weight	1.0000kg

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Redding 73338 Steel Neck Sizing Bushing 0.338 Rc 60-62

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