Description
Neck tension is one of those little details that separates good handloads from great ones, and this Redding 73 Style Steel Bushing in .252 lets you control it with real precision. Made from heat treated steel and hand polished to a surface hardness of Rc 60-62, it sizes the case neck with less effort and less drag than a standard fixed die, so your brass stays straighter and your groups tighten up. Bushings come in .001 inch increments across the full range from .185 through .368, which means you can fine tune the exact amount of grip your bullet and brass combination calls for.
Where This .252 Redding Bushing Fits
This is the industry standard sizing bushing with external dimensions of 1/2 inch outside diameter by 3/8 inch long. That universal size lets it interchange freely across all Redding bushing style neck sizing dies, Type S full length and neck sizing dies, and Competition dies. The last three digits of the part number tell you the bushing diameter, so this 73252 is a .252 inch bushing. One nice touch of the bushing system is that the bushing floats and self centers on the case neck as it sizes, which helps keep runout low and necks concentric.
Picking the Right Size Steel Bushing
Figuring out which diameter you need is straightforward. Measure the outside neck diameter of a loaded or dummy round with a good micrometer, then subtract .001 to .002 inch for your desired neck tension, and that number is your bushing size. If you turn your necks or run a specific brass and bullet pairing, it is common to keep a couple of bushings on either side of your target so you can tune tension to the load. Because each brass and bullet combination behaves a little differently, a lot of reloaders end up with a small collection over time.
Steel is the workhorse choice here and holds up to high volume sizing while keeping costs reasonable. If you want the exact .252 size for your setup, this one slips right in and gets to work.
Key Specifications
- Manufacturer: Redding
- Manufacturer Part Number: 73252
- UPC: 611760732522
- Bushing Diameter: .252 inch
- Material: Heat Treated Steel
- Surface Hardness: Rc 60-62, hand polished
- External Dimensions: 1/2 inch OD x 3/8 inch long
- Size Increments: .001 inch
- Available Range: .185 inch through .368 inch
- Compatibility: Redding bushing style neck sizing, Type S, and Competition dies
- Style: 73 Style (Steel)
What’s Included
- One Redding 73 Style Steel Neck Sizing Bushing in .252 diameter
Frequently Asked Questions
What dies does the Redding 73 Style .252 steel bushing fit?
This bushing uses the universal 1/2 inch OD by 3/8 inch long dimensions, so it interchanges freely in all Redding bushing style neck sizing dies, Type S full length and neck sizing dies, and Competition dies. The bushing is sold separately from the die itself.
How do I know if .252 is the right bushing size for my load?
Measure the outside diameter of a loaded or dummy round's neck with an accurate micrometer, then subtract .001 to .002 inch to get your bushing size. If that math lands near .252, this is your bushing. Many reloaders keep one size on either side to fine tune neck tension.
What is the difference between the steel bushing and the titanium nitride version?
The steel bushing is heat treated and hand polished to Rc 60-62 for smooth sizing and is the standard, budget friendly choice. The titanium nitride version adds a surface coating to further increase hardness and cut sizing friction, which some reloaders prefer for reducing stress on brass. Both share the same external dimensions and interchange in the same dies.
Does the bushing help with neck concentricity and runout?
Yes. Because the bushing floats and self centers on the case neck as it sizes, and because you only size the neck as much as needed, it helps keep necks concentric and runout low. Sorting your brass by neck wall thickness for uniformity helps you get the most out of the system.



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