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Neck tension is one of those little details that separates good handloads from great ones, and the L.E. Wilson .264 Neck Sizer Die Bushing is how precision reloaders take control of it. This hardened steel insert, marked as part number B-264, sizes the outside of the case neck to a finished .264 inch so your brass grips the bullet with the exact consistency you're after. Swap it in, size your necks, and you get repeatable results round after round without leaning on a one-size-fits-all expander ball.
Because you're setting neck diameter directly with the bushing, the brass isn't getting stretched over an expander and pulled back on every cycle. That means better neck concentricity and noticeably longer case life, which is exactly why benchrest and precision crowd reach for these. Each bushing is reamed with a slight taper, and the size stamped on it refers to the middle. A handy trick worth knowing: flip the bushing so the markings face the case and you'll get a touch tighter sizing, which comes in useful when brass hardens up and starts springing back.
Sizing is a .001 inch increment game with Wilson, so getting the right number matters. The simplest method is to measure the neck diameter of a loaded round where the bullet sits, then subtract .002 to .003 inch for your tension. You can also measure neck wall thickness, double it, add your bullet diameter, then subtract that same .002 to .003. Either way you land on the bushing you need, and building a small set lets you fine-tune across different cartridges and brass lots.
This bushing drops into the L.E. Wilson Neck Die or the Wilson Bushing-Type Full-Length Sizing Die, with the die body sold separately. It's machined and ground from hardened steel in the U.S.A., built to hold its dimension through years of sizing cycles. Wilson bushings are also known to interchange with Redding, RCBS, and Hornady bushing dies, so there's a good chance it works with a setup you already own.
Measure the neck diameter of a loaded round where the bullet sits, then subtract .002 to .003 inch for the tension you want. You can also measure neck wall thickness, multiply by two, add your bullet diameter, then subtract that same .002 to .003 inch. Whichever number you land on tells you the bushing to grab, and this one finishes at .264 inch.
It drops into the L.E. Wilson Neck Die or the Wilson Bushing-Type Full-Length Sizing Die. The die body itself is sold separately. Wilson bushings are also known to interchange with Redding, RCBS, and Hornady bushing dies, so it may work with a setup you already have.
Yes. Setting neck diameter directly with the bushing means you don't need a conventional expander ball, so the brass isn't being stretched and pulled back on every sizing cycle. That gives you better neck concentricity and longer case life, which is a big reason precision reloaders prefer the bushing approach.
The .264 marking refers to the diameter at the middle of the bushing, which is reamed with a slight taper. Since the case neck only reaches that middle section, you can get a touch tighter sizing by turning the bushing over so the markings face the case. That trick comes in handy when brass hardens up and starts springing back.
| UPC | 815145024541 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | B-264 |
| Shipping Weight | 0.02 |
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