Redding .339-Inch Neck Sizing Bushing

The Redding .339-Inch Neck Sizing Bushing is a precision sizing component from Redding (brand part no. 76339) built to give handloaders exact control over case neck tension. Redding machines these bushings from heat-treated steel and applies a titanium nitride treatment that increases surface hardness and reduces friction during sizing. Available across a wide range of diameters covering roughly .17 to .338 caliber, this bushing lets a handloader dial in the precise amount of neck tension needed to hold a bullet firmly in place without over-working the brass.

Key Specifications

• This bushing measures .339 inches, sized to deliver a specific post-sizing neck diameter.
• It’s machined from heat-treated steel for long service life under repeated sizing cycles.
• A titanium nitride treatment increases surface hardness and reduces friction during sizing.
• Redding offers this bushing series across a .17 to .338 caliber range for most bottleneck cartridges.
• The bushing is designed to provide exact neck tension without excessive case resizing.
• Each bushing carries a listed shipping weight of 0.0188 lb, reflecting its small, precision-machined size.

Frequently Asked Questions

What does a neck sizing bushing do? It’s fitted into a bushing-style sizing die to size just the neck of a case to a specific diameter, giving handloaders precise control over neck tension without over-working the brass.

What diameter is this bushing? This bushing measures .339 inches, sized to leave a specific post-sizing neck diameter.

Will this bushing fit my Redding sizing die? Yes, it’s designed for use in Redding Type S and other bushing-style neck sizing die bodies that accept interchangeable bushings.

Buy the Redding .339-Inch Neck Sizing Bushing

Handloaders fine-tuning neck tension for better concentricity and consistent bullet pull will get precise, repeatable results from this Redding bushing. Order it from our Lubbock, Texas gun shop and see the rest of our reloading equipment selection.