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The Redding .259 Titanium Nitride Neck Sizing Bushing is one of those small parts that makes a real difference once you start chasing tighter groups. Instead of oversizing your case necks and working the brass harder than it needs to, a bushing lets you size the neck down just the right amount to grip the bullet properly. Measure the outside neck diameter of a loaded round, subtract a thousandth or two for brass spring-back, and this .259 bushing gets you right where you want to be on neck tension.
These start life as the same heat-treated steel bushings Redding is known for, hand-polished to a surface hardness of Rc 60-62 to keep sizing effort low. The Titanium Nitride surface treatment takes it a step further by increasing the effective surface hardness and reducing friction as brass passes through. That bronze-gold TiN finish is more than looks. It means less drag on the downstroke and a bushing that holds its dimensions through a long reloading life.
Every Redding neck sizing bushing shares the same external dimensions, a 1/2 inch outside diameter and 3/8 inch length, so they interchange freely across all Redding bushing-style neck sizing dies. They also drop into other bushing-style dies that accept L.E. Wilson style bushings, which covers a lot of RCBS, Hornady, and similar setups. Redding offers these in .001 inch increments across a wide range, covering calibers from .17 all the way up to .338, and each bushing is clearly marked with its size for quick ID at the bench.
If you shoot a cartridge that runs a loaded neck diameter around .260 to .261, this .259 is likely in your wheelhouse, but always confirm by measuring your own loaded ammo. Many precision handloaders keep a few bushings a thousandth apart on hand to fine-tune tension for different bullets and brass. Made in the USA, this is a buy-it-once component that earns its spot in any serious reloading kit.
Measure the outside neck diameter of a loaded round with a precision micrometer, then subtract about .001 to .002 inches to allow for brass spring-back and proper bullet tension. If that number lands at .259, this is your bushing. A lot of reloaders keep a couple of neighboring sizes on hand to fine-tune tension for different brass and bullets.
Yes. It uses the standard 1/2 inch outside diameter by 3/8 inch length that interchanges freely across all Redding bushing-style neck sizing dies. It also drops into other bushing-style dies that accept L.E. Wilson style bushings, which covers many RCBS and Hornady setups.
Both start as the same hand-polished heat-treated steel with an Rc 60-62 surface hardness. The Titanium Nitride treatment adds a harder, slicker surface that increases effective hardness and reduces sizing friction, so brass passes through with less effort and the bushing holds up over time.
The Titanium Nitride surface already cuts friction considerably, and many handloaders run their necks dry or with just a touch of dry lube inside the neck. Case lube on the body is still a good idea when full-length sizing. The smoother TiN surface simply makes that neck pass easier either way.
| UPC | 611760762598 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 76259 |
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