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If you're running a Forster Bushing Bump Neck Sizing Die or a Bushing Full Length Sizing Die, this 0.324" bushing (part number BUSH-324) is how you fine-tune the way your brass grips a bullet. Instead of relying on a one-size-fits-all expander, the bushing itself sets the inside neck diameter, so you control neck tension down to the thousandth. That kind of precision is what separates plinking loads from rounds that print tight groups.
Forster offers these in 0.001" increments, which lets you account for your exact brass neck wall thickness and the amount of grip you want on the bullet. A good starting point is measuring a loaded round at the case neck and choosing a bushing roughly 0.002" smaller, then going 0.003" smaller if you want a firmer press fit. Because the body of the case keeps its fire-formed fit to your chamber, you get straighter necks, better concentricity, and longer case life.
Every bushing is heat treated and honed to the precise inside diameter marked on it, then run through a super-cooling cryogenic process. That cryo treatment refines and closes the surface of the steel, giving you a slick, long-wearing bushing that sizes smooth as silk pass after pass. Smoother contact means less drag on the neck and more consistent results across a loading session.
One thing worth knowing up front: Forster bushings are built to work with Forster's Precision Plus bushing dies only. They are not cross-compatible with Redding or L.E. Wilson bushings, so keep that in mind if you're mixing brands on your bench. Match it to the right die and this little piece of steel earns its keep every time you size a case.
This bushing is made for Forster's Bushing Bump Neck Sizing Dies and Bushing Full Length Sizing Dies. It is not interchangeable with Redding or L.E. Wilson bushings, so it needs to be paired with a Forster bushing die to work correctly.
Measure the outside neck diameter of several loaded rounds and use the smallest reading, then subtract about 0.002" to get your bushing size. If you want a firmer grip on the bullet, subtract 0.003" instead. Since bushings come in 0.001" steps, it helps to have a couple of sizes on hand to dial in your tension.
The super-cooling cryogenic process refines and closes the surface of the steel, leaving the bushing ultra smooth and more wear-resistant. That smoother interior reduces drag on the case neck, which helps produce more consistent, better loaded rounds over the long haul.
Yes. With a bushing die, the bushing itself sets the inside neck diameter rather than an expander ball, so your bushing choice determines how tightly the neck grips the bullet. Stepping up or down in 0.001" increments lets you tune neck tension to match your brass and your rifle.
| UPC | 757253996405 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | BUSH-324 |
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