Description
If you're loading 7mm Rem Mag and chasing tighter groups, the L.E. Wilson Bushing Full Length Sizing Die gives you real control over your brass. It resizes the case body and shoulder while letting you set neck tension with an interchangeable bushing, all in one stroke. Because there's no expander ball dragging back through the neck, your brass stays more concentric and sees less overworking from one loading to the next.
How the 7mm Rem Mag Bushing Full Length Die Works
The magic here is the bushing system. You pick a bushing sized for your specific brass and the neck tension you want, drop it in, and the die handles body sizing and neck sizing together. A common starting point is to measure the neck diameter of a loaded round and subtract .002 to .003, though wall thickness varies by brass brand so it pays to check your own. This die leaves roughly 3/16 inch at the base of the neck unsized, mirroring the approach used in Wilson's well-regarded neck dies, something a lot of precision loaders find delivers more consistent results than sizing the full neck. Bushings are sold separately, and while Wilson's own bushings are the natural pairing, Redding bushings fit as well if that's what you have on hand.
Build Quality You Can Feel
L.E. Wilson has been building precision reloading tools for around 90 years, and it shows in this die. It's made from heat-treated stainless steel, hardened past the spec of a Grade 8 bolt, so it holds its dimensions through thousands of cases. The die includes an adjustable-depth decapping rod plus a spare decapping punch, and there's no expander involved. Threads are standard 7/8"-14, so it screws into any common single-stage or turret press, no arbor press required.
Pair it with an L.E. Wilson case gage to confirm your shoulder bump and keep from overworking your 7mm Rem Mag brass, and you've got a sizing setup that'll reward careful loading with repeatable, accurate ammo.
Key Specifications
- Caliber: 7mm Remington Magnum
- Die Type: Bushing Type Full Length Sizing Die
- Manufacturer: L.E. Wilson
- Manufacturer Part Number: FLD-7RMAG
- UPC: 815145026606
- Thread: 7/8"-14 (standard press)
- Material: Heat-treated stainless steel
- Hardness: Harder than a Grade 8 bolt
- Bushing System: Interchangeable, Wilson and Redding bushings fit
- Neck Sizing: Partial, leaves approx. 3/16" at base unsized
- Expander: None (no expander ball)
- Country of Origin: USA
- Shipping Weight: 0.7 lb
What’s Included
- L.E. Wilson 7mm Rem Mag bushing-type full length sizing die
- Adjustable-depth decapping rod
- Extra decapping punch
Frequently Asked Questions
Does the 7mm Rem Mag bushing full length die come with a bushing?
No, the neck bushing is sold separately. This lets you choose the exact bushing size that matches your brass and the neck tension you're after. Wilson's own bushings are the recommended pairing, but Redding bushings will also fit the die.
What press does this L.E. Wilson die fit?
It uses standard 7/8"-14 threads, so it screws into virtually any single-stage or turret press. This is the threaded press-mounted version, not the arbor-press neck die, so you don't need any special equipment to run it.
How do I pick the right bushing size for my 7mm Rem Mag brass?
A reliable method is to measure the neck diameter of a loaded round and subtract .002 to .003 inch for proper neck tension. You can also measure neck wall thickness, double it, add bullet diameter, then subtract .002 to .003. Keep in mind wall thickness differs between brass brands, so measure your own cases rather than guessing.
Why does this die leave part of the neck unsized?
The design intentionally leaves roughly 3/16 inch at the base of the neck unsized, which mimics the way Wilson's neck sizing dies work. Many precision loaders prefer this approach and find it produces more consistent, accurate results than sizing the full neck. Since there's no expander ball, the neck isn't stretched after sizing, which helps keep your loaded rounds concentric.





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