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The L.E. Wilson Full Length Sizing Die in 300 Norma Mag is built for handloaders who care about the small details that add up to tight groups downrange. It works like a traditional full length die by sizing the case body and bumping the shoulder back to set proper headspace, but it adds a feature the standard dies don't have: a removable bushing that controls neck diameter. That means you pick the exact neck tension you want instead of settling for whatever a fixed die hands you. The result is less brass working, longer case life, and more repeatable bullet seating from one firing to the next.
Because the neck is sized by an interchangeable bushing rather than an expander ball being dragged back through it, the brass gets worked far less. Less work means less runout, slower work-hardening, and necks that stay consistent over more loading cycles. Choosing a bushing is simple: measure the neck diameter of a loaded round and subtract about .002 to .003 for your desired tension. Keep in mind the bushings are sold separately, so you'll want to grab the right size for your brass and bullet combo. The die also ships with an adjustable depth decapping rod and an extra decapping punch, and there's no expander in the system at all.
This is precision machined from high quality steel that's heat treated to L.E. Wilson's own spec, landing it harder than a Grade 8 bolt. The stainless parts hold up to years of use and keep a clean finish. It threads into any standard 7/8-14 reloading press, so it drops right into the gear you already run.
Pair this die with an L.E. Wilson case gage to dial in your shoulder bump accurately. Checking your sized cases against the gage keeps you from pushing the shoulder too far and overworking the brass, which helps the round chamber smooth and fit your rifle precisely. For the long-range crowd running the 300 Norma, that kind of control over headspace and neck tension is exactly where consistency comes from.
No, the bushings are sold separately so you can match the exact neck tension you want. To find the right size, measure the neck diameter of a loaded round and subtract about .002 to .003. That gives you proper bullet grip while allowing for the brass springing back after sizing.
It does not. Neck sizing is handled entirely by the interchangeable bushing, which works the brass less than a traditional expander ball being pulled back through the neck. That translates to better neck runout, longer case life, and more consistent tension over repeated loadings.
Yes, it threads into any standard 7/8-14 reloading press, so it works with the common single-stage and turret presses most handloaders already own. It also pairs with L.E. Wilson lock nuts for repeatable setup.
You don't strictly need one, but it's strongly recommended. Using an L.E. Wilson case gage lets you set the shoulder bump precisely, which keeps you from overworking the brass and helps your rounds chamber smoothly and fit your rifle more consistently.
| UPC | 815145026460 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | FLD-300NM |
| Shipping Weight | 0.7 |
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