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Neck tension is one of those little details that separates good handloads from great ones, and the Forster 0.247" Neck Bushing (BUSH-247) gives you precise control over it. This single steel bushing is machined and honed to an exact inside diameter, so you can size your case necks to your specific brass and get the consistent bullet grip that pays off on paper. If your loaded rounds measure around .249 at the neck, the .247 puts you right in the sweet spot for a standard .002 of neck tension.
Forster builds these bushings for use in their Bushing Bump Neck Sizing Dies and Bushing Full Length Sizing Dies. Instead of relying on a one-size-fits-all expander ball, the bushing itself determines how far down your neck gets sized. The general rule is to pick a bushing roughly .002 smaller than your loaded round measures at the case neck, which is exactly where the .247 lands for a lot of common setups. Because bushings come in .001 increments, you can fine tune around your brass wall thickness and even stock a couple of sizes to experiment with different tension levels.
Smoothness matters when you're pushing a case neck through steel. Forster heat treats these bushings and then runs them through a cryogenic process that refines and tightens the surface finish, giving you that "smooth as silk" pass that cuts down on drag and helps keep runout low. Less neck working also means your brass lasts longer and stays straighter, which is the whole point of going to a bushing system in the first place.
One thing worth knowing up front: Forster bushings are built for Forster dies and will not interchange with Redding or L.E. Wilson bushing dies. If you're running a Forster bushing setup, this is the piece that lets you tailor neck tension to your exact load.
The common approach is to choose a bushing about .002 smaller than your loaded round measures at the case neck. So if a finished round mics around .249 at the neck, the 0.247" bushing gives you a standard .002 of neck tension. If you want more bullet grip, you can go a thousandth smaller instead.
No. Forster bushings are made specifically for Forster Bushing Bump Neck Sizing Dies and Bushing Full Length Sizing Dies. They are not interchangeable with Redding or L.E. Wilson bushing dies.
After the bushing is heat treated, Forster runs it through a super-cooling cryogenic process that refines and closes up the steel's surface. The result is a smoother interior finish, which means less drag as the neck passes through and helps keep your loaded rounds concentric.
This is a single bushing sold by itself so you can match your exact brass and tension needs. You'll need a Forster Bushing Bump Neck Sizing Die or Bushing Full Length Sizing Die to use it.
| UPC | 757253998737 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | BUSH-247 |
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