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The L.E. Wilson Neck Sizer Die Bushing in .287 is one of those small parts that makes a big difference at the loading bench. It installs into a Wilson bushing-style neck sizing or full-length sizing die and sizes the outside of the case neck to a precise diameter, giving you direct control over how tightly the neck grips the bullet. Swap bushings to increase or decrease neck tension without touching the rest of your setup, which is exactly what precision handloaders are after when they want consistent seating and better concentricity.
Wilson machines these from hardened tool steel and runs each one through a multistep process to hold the marked diameter accurately. The size stamped on the bushing refers to the middle, where it's reamed with a slight taper. Because the case neck only reaches that midpoint, you can flip the bushing over, markings facing down, to pull a touch more neck tension out of the same part. That little trick comes in handy when brass work-hardens between annealing cycles and you want to tighten things up without buying another bushing.
Picking the correct size is the whole ballgame. Measure the outside neck diameter of a loaded round and subtract .002 to .003 for proper tension. If you prefer working from the case, measure neck wall thickness, multiply by two, add your bullet diameter, then subtract that same .002 to .003. Getting this right means just enough grip to hold the bullet without overworking the brass, which keeps your cases lasting longer and your groups tighter.
This bushing freely interchanges across Wilson bushing-type dies and also drops into Redding, RCBS, and Hornady bushing dies, so it plays nice with most common setups. Keep in mind it does not fit Forster or Whidden dies, since those use a different bushing design. Many reloaders favor the Wilson pieces for their flat ends and radiused leading edge, which help the case neck feed in straight. If you're building out a precision load, this is a solid, no-nonsense tuning tool.
Measure the outside neck diameter of a loaded round and subtract .002 to .003 inch for the proper amount of neck tension. You can also measure your case neck wall thickness, multiply it by two, add your bullet diameter, then subtract that same .002 to .003. The goal is enough grip to hold the bullet securely without overworking the brass.
Yes. These bushings freely interchange across L.E. Wilson bushing-type neck and full-length sizing dies, and they also fit Redding, RCBS, and Hornady bushing dies. They do not fit Forster or Whidden dies, which use a different bushing design, so stick to the compatible brands.
The size marked on the bushing refers to the middle, which is reamed with a slight taper. Since the case neck only reaches that midpoint, installing the bushing with the markings facing down gives you a slightly tighter size and a touch more neck tension. It's a handy way to tune grip without buying a second bushing.
This is the steel version, made from hardened tool steel that's polished and precision ground. It holds the marked diameter accurately for repeatable sizing. If you're running water-based sizing lube, wipe the bushing down and store it dry so it stays in good shape over the long haul.
| UPC | 815145024770 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | B-287 |
| Shipping Weight | 0.02 |
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