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

Yes, unlike Titanium Nitride-coated alternatives, this heat-treated steel bushing requires appropriate case neck lubrication prior to sizing. Using proper lube prevents galling, excessive sizing resistance, and potential stuck cases during your reloading process.

What case neck wall thickness variations can I work with using the .367 sizing bushing?

This precision bushing is designed for brass cases with uniform neck wall thicknesses. Redding advises that if your case neck thickness variation exceeds 0.002 inches, a standard bushing process may not yield uniform bullet retention without utilizing an expander size button.

Neck Sizing Bushing - Redding 73367

Q: What die compatibility does the Redding 73367 .367 bushing have?

The Redding 73367 features standard external dimensions of 1/2-inch outer diameter by 3/8-inch length. It freely interchanges with all standard Redding Bushing-Style Sizing Dies, including Type S Bushing Full Length Dies and Competition Bushing Neck Sizing Dies, as well as standard L.E. Wilson-style bushing dies.

The Redding .367 Heat-Treated Steel Neck Sizing Bushing (Model 73367) is a precision reloading component engineered to control outer case neck tension and maintain concentricity during rifle cartridge resizing. Featuring an inside diameter of 0.367 inches, this standard 1/2-inch outer diameter bushing sizes the case neck to exact dimensions without over-working the brass or requiring an internal expander ball. It is fully interchangeable with all standard Redding Bushing-Style Sizing Dies—including Type S Neck, Type S Full Length, and Competition Bushing Dies—as well as standard L.E. Wilson bushing dies.

Precise Neck Sizing: Sizing diameter of 0.367 inches (9.32 mm) sets precise neck tension (typically 0.001 to 0.002 inches of bullet grip) based on specific cartridge wall thickness.
Wear-Resistant Construction: Heat-treated steel construction hand-polished to a surface hardness of Rockwell Rc 60–62 reduces sizing friction and extends tool service life.
Concentricity and Brass Preservation: Eliminates expander button runout and brass stretching to prolong cartridge case life.
Standard Fit: Standard external dimensions of 1/2-inch Outer Diameter by 3/8-inch length fit standard Redding and L.E. Wilson reloading dies.

Product Specifications

Inside Sizing Diameter: 0.367 inches (9.32 mm)
Outer Diameter: 1/2 inch
Length: 3/8 inch
Material: Heat-treated, hand-polished steel
Hardness Rating: Rockwell Rc 60–62
Die Compatibility: Redding Type S Neck Sizing Dies, Redding Type S Full Length Dies, Redding Competition Neck Sizing Dies, L.E. Wilson Bushing Dies
Lubrication Requirement: Case neck lubricant required during sizing

Who is the Redding .367 Heat-Treated Steel Neck Sizing Bushing for?

Precision long-range handloaders loading large-calibre cartridges — requires an exact 0.367-inch inside sizing diameter to set precise neck tension on large-calibre brass (such as .338-calibre cartridges) without overworking the brass.
Competitive shooters managing case neck concentricity — relies on a Rockwell Rc 60–62 surface hardness and a standard 1/2-inch outer diameter profile to eliminate expander-button-induced runout across Redding Type S and Competition sizing dies.

Less suitable for: Handloaders sizing brass where case neck thickness variation exceeds 0.002 inches, which requires using an expander size button or uniforming case necks with a neck-turning tool to achieve consistent bullet retention.

SKU	RD41785LP
Model #	73367
Brand	Redding
Shipping Weight	1.0000kg

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Redding 73367 Steel Neck Sizing Bushing .367 Inch

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