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Neck tension is one of those details that separates loads that just go bang from loads that print tight on paper, and this .363 bushing is how you take charge of it. Built for .338 caliber brass, it lets you size the neck to a precise diameter instead of accepting whatever a standard die comes set to. That kind of control is exactly what precision handloaders chase when they want repeatable results round after round.
This is a self-centering neck size bushing, which means it floats slightly in the die and aligns itself to the case as the neck passes through. The payoff is more concentric necks and far less chance of oversizing or overworking your brass. Overworked necks lead to short case life and inconsistent tension, so sizing only what you need keeps your brass alive longer and your groups more predictable.
To pick the right size, measure the outside neck diameter of a loaded or dummy round with a good micrometer, then subtract the tension you want, usually one to three thousandths. If your loaded .338 necks come in around .365, the .363 gives you roughly two thousandths of tension, which is a common sweet spot for bolt guns. Many handloaders keep a bushing or two on either side so they can fine-tune without a trip back to the bench.
The .363 bushing is made for Hornady Match Grade full-length and neck sizing dies, but it is not locked to one brand. These bushings share the common industry dimensions, so they also drop into Redding, RCBS, and Wilson bushing-style dies. If you already run a mixed bench, that flexibility means one bushing can follow your .338 brass across different setups without a hitch. It is a small part, but getting the diameter right is what turns tight tolerances at the press into tight groups at the range.
Measure the outside neck diameter of a loaded or dummy round with a micrometer, then subtract the neck tension you want, typically one to three thousandths. If your loaded necks measure around .365, the .363 bushing gives you about two thousandths of tension. Many handloaders keep the sizes just above and below on hand to fine-tune without guessing.
Yes. It is built for Hornady Match Grade full-length and neck sizing dies, and because it uses the common industry bushing dimensions, it also fits Redding, RCBS, and Wilson bushing-style dies. Forster is the usual exception since it runs a proprietary bushing.
The bushing floats slightly in the die and aligns itself to the case neck as it passes through, producing more concentric necks. It also lets you size only the amount you need, which prevents oversizing and overworking the brass. That translates to longer case life and more consistent neck tension.
This is just the bushing, sold on its own. It is the interchangeable component that goes inside a Hornady Match Grade bushing die or a compatible bushing die from another brand. You will need the matching die to use it.
| UPC | 090255593631 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 594363 |
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