What sizing dies are compatible with the Redding 76331 Titanium Nitride Neck Sizing Bushing?

The Redding .331 bushing features an industry-standard 1/2 inch outside diameter and 3/8 inch height, making it compatible with all Redding bushing-style neck sizing dies, bushing full-length sizing dies, Type S dies, and other interchangeable bushing dies such as L.E. Wilson. It will not fit standard non-bushing full-length sizing dies.

How does the Titanium Nitride (TiN) coating benefit the performance of the Redding 76331 bushing compared to standard steel?

The Titanium Nitride surface coating significantly lowers friction during the brass sizing process and resists brass buildup and galling. Combined with a heat-treated steel base with a hardness of approximately Rc 60-62, this coating ensures exceptional wear resistance and smooth operation on your reloading bench.

Do I need to apply case neck lubrication when using the Redding .331 Titanium Nitride bushing?

Yes, although the Titanium Nitride coating greatly reduces friction compared to untreated steel, Redding still recommends applying a light application of case neck lubricant during sizing. This prevents any potential brass dragging or excessive resistance, especially when working with high-volume precision batches in the outback workshop.

Are there any electrical or regulatory compliance requirements for the Redding 76331 bushing in Australia?

No, the Redding .331 Titanium Nitride Neck Sizing Bushing is a completely passive, unpowered mechanical handloading tool accessory. Therefore, electrical compliance standards such as 240V ratings, Australian mains plugs, and SAA or RCM regulatory approvals are entirely non-applicable.

Neck Sizing Bushing - Redding 76331

The Redding .331 Titanium Nitride Neck Sizing Bushing (MPN 76331) is a precision reloading tool designed to size the outside neck diameter of cartridge brass to exact dimensions without overworking the metal. Manufactured from heat-treated steel with a base hardness of approximately Rc 60–62, the bushing features a hand-polished, surface-hardened Titanium Nitride (TiN) coating that lowers friction, resists wear, and prevents brass buildup during resizing. It fits all Redding Type S Bushing Dies, Redding Full-Length Bushing Dies, and standard interchangeable dies accepting 1/2 in. outside diameter inserts.

Key Features

Precise Dimensioning: Delivers an internal sizing diameter of 0.331 inches (8.407 mm) to establish consistent neck tension and prolong cartridge case life.
Titanium Nitride Coating: Enhances surface hardness and reduces friction across the case neck during sizing passes.
Etched Size Identification: Stamped with .331 sizing markings for rapid bench identification.
Standard Interchangeability: Measures 1/2 in. (12.7 mm) outside diameter by 3/8 in. (9.525 mm) height to fit standard bushing-style reloading dies.

Specifications

Internal Sizing Diameter: 0.331 in. (8.407 mm)
Outside Diameter: 1/2 in. (12.7 mm)
Height / Length: 3/8 in. (9.525 mm)
Material: Heat-treated steel (Rc 60–62 base) with Titanium Nitride (TiN) finish
Packaged Weight: Approximately 0.045–0.1 lb (20–45 g)
Die Compatibility: Redding Bushing-Style Neck Sizing Dies, Redding Bushing Full-Length Sizing Dies, Type S Dies, and standard 1/2 in. OD bushing dies

Who is the Redding .331 Titanium Nitride Neck Sizing Bushing for?

Precision handloaders — Requiring an exact 0.331 inches (8.407 mm) internal diameter to establish precise neck tension and prevent overworking brass necks on .30-caliber cartridges such as .308 Winchester, .30-06 Springfield, or .300 Win Mag.
Benchrest shooters and long-range competitors — Needing a titanium nitride neck sizing bushing with a standard 1/2 in. outside diameter by 3/8 in. height to achieve uniform bullet release and maintain minimal neck runout across match brass.

Less suitable for: Standard non-bushing sizing dies that do not accept 1/2 in. outside diameter by 3/8 in. tall inserts; handloaders using fixed-dimension dies require a standard full-length sizing die or non-bushing neck sizing die instead.

SKU	RD41823LP
Model #	76331
Brand	Redding
Shipping Weight	1.0000kg

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Redding 76331 Titanium Nitride Neck Sizing Bushing .331

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