What reloading dies are compatible with the Redding .366 Titanium Nitride Neck Sizing Bushing?

This bushing is designed to freely fit all Redding Type S Bushing Full Sizing Dies, Type S Neck Sizing Dies, and Competition Bushing Neck Sizing Dies. It is also fully compatible with interchangeable Wilson-style bushing dies used in precision handloading setups.

How does the Titanium Nitride coating improve the performance of this 0.366-inch neck sizing bushing?

The Titanium Nitride (TiN) surface treatment provides an ultra-hard finish over the heat-treated steel core, which sits at a Rockwell hardness of Rc 60 to 62. This high-lubricity coating drastically reduces sizing friction and prevents brass galling, helping to extend the operational lifespan of your brass cases.

Are there any specific safety or electrical compliance requirements for importing and using this bushing in Australia?

As a completely non-powered, mechanical reloading component, electrical compliance standards such as 240V ratings, SAA approval, and RCM marks do not apply. The product is fully compliant for commercial import and use across all Australian states and territories without requiring firearms licensing restrictions.

What is the recommended sizing limit when using the Redding 76366 bushing in a single pass?

Handloading guidelines recommend avoiding sizing case necks down by more than 0.004 to 0.005 inches in a single pass to prevent shoulder bulge and neck deformation. If your brass requires a larger reduction, you should step down gradually using intermediate bushing sizes.

Neck Sizing Bushing - Redding 76366

The Redding .366 Titanium Nitride Neck Sizing Bushing is a precision reloading component engineered to size cartridge case necks to an exact dimension without overworking the brass. Designed to freely interchange within Redding Type S Bushing Full Sizing Dies, Type S Neck Sizing Dies, Competition Bushing Neck Sizing Dies, and Wilson-style bushing dies, it enables handloaders to precisely regulate neck tension, minimise concentricity runout, and extend the working life of cartridge brass.

Key Features

Precise Neck Tension Control: Forms case necks to an exact inside and outside diameter without excessive sizing, preventing work-hardening and maintaining consistent bullet release.
Titanium Nitride (TiN) Surface Treatment: Provides a high-lubricity surface layer over a heat-treated steel core, significantly reducing sizing friction and preventing brass galling.
Standardised External Dimensions: Machined to an industry-standard 0.500-inch outside diameter and 0.375-inch length, allowing drop-in compatibility across compatible bushing dies.
Engraved Size Identification: Clearly marked with its 0.366-inch internal diameter for quick identification on the reloading bench.

Specifications

Manufacturer Part Number (MPN): 76366
Internal Diameter: 0.366 inches
Outside Diameter: 0.500 inches (1/2 inch)
Length: 0.375 inches (3/8 inch)
Core Hardness: Rc 60 to 62 heat-treated steel
Finish: Titanium Nitride (TiN) coating
Item Weight: Approximately 0.076 lbs (including retail packaging)
Die Compatibility: Redding Type S Neck Dies, Type S Full Length Dies, Competition Bushing Neck Dies, and Wilson-style bushing dies

Who is the Redding .366 Titanium Nitride Neck Sizing Bushing for?

Precision rifle handloaders — provides an exact 0.366-inch internal diameter to establish consistent neck tension on cartridge cases requiring this specific finished dimension.
Benchrest and long-range target shooters — utilises a core hardness of Rc 60 to 62 paired with a 0.500-inch outside diameter to maintain structural rigidity and minimise runout during custom match-load development.

Less suitable for: Handloaders attempting to size case necks down more than 0.004 to 0.005 inches in a single pass; this application requires intermediate-diameter sizing bushings to step down neck dimensions incrementally and prevent shoulder deformation.

SKU	RD41826LP
Model #	76366
Brand	Redding
Shipping Weight	1.0000kg

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Redding 76366 Titanium Nitride Neck Sizing Bushing .366 Inch

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