Description
If you're chasing tight groups with your 22-250 Remington, the way your bullets seat matters just as much as your powder charge. This L.E. Wilson micrometer top seater is a chamber-type die, which means the case and bullet are fully captured and held in line before the seating stem pushes the bullet straight home. That alignment is the whole reason benchrest and precision shooters have leaned on Wilson seaters for decades.
The micrometer top is where this die earns its keep. You get an easy-to-read scale with .001 inch graduations, so fine-tuning your seating depth is a matter of turning a dial rather than guessing and measuring over and over. When you need to make a bigger jump, the threaded cap with 3/8 inch to 24 TPI threads lets you reset in a hurry. It's a simple, repeatable setup that takes the fiddling out of load development.
How the 22-250 Micrometer Seater Works at the Bench
This is an arbor press die, not something you'll run on a conventional threaded press. You seat with a mallet or an arbor press, and because the die is compact, you can toss it in your range bag and tune seating depth right where you shoot. Load your rounds a touch long, head to the range, and adjust until you find the jump your barrel likes best. That saves the back-and-forth trips most reloaders know all too well.
Built to Last in Stainless Steel
The body is machined from stainless steel with laser-engraved markings, so the die holds up to years of use and the numbers stay readable. Each Wilson seater is cut to match correct headspace, and the tight tolerances are a big part of why these dies produce such straight, consistent ammunition. Made in the U.S.A., it's the kind of tool that becomes a permanent fixture on your loading bench once you see what it does for your 22-250 loads.
Key Specifications
- Manufacturer: L.E. Wilson
- Cartridge: 22-250 Remington
- Die Type: Chamber Type Micrometer Top Bullet Seater
- Micrometer Graduations: .001 inch increments
- Material: Stainless Steel
- Cap Threads: 3/8 inch – 24 TPI
- Press Compatibility: Arbor press or mallet (not for conventional press)
- Finish: Laser-engraved markings
- Country of Origin: Made in U.S.A.
- Manufacturer Part Number: S22-250
- UPC: 815145022417
- Shipping Weight: 0.9 lbs
What’s Included
- L.E. Wilson Micrometer Top Bullet Seater Die (22-250 Remington)
Frequently Asked Questions
Does the 22-250 micrometer seater work on a standard reloading press?
No, this is a chamber-type arbor press die. You seat bullets using an arbor press or a mallet, not a conventional threaded 7/8 inch to 14 press. The compact size is also what lets you take it to the range for on-the-spot seating depth tuning.
How precise is the seating depth adjustment on this Wilson die?
The micrometer top is graduated in .001 inch increments, so you can dial in fine changes to seating depth with real repeatability. For larger adjustments, the threaded cap lets you reset quickly before fine-tuning with the micrometer. That combination makes finding your rifle's ideal bullet jump much easier.
Is this the standard 22-250 Remington or the Ackley Improved version?
This die is cut for the standard 22-250 Remington cartridge, part number S22-250. L.E. Wilson makes a separate 22-250 Ackley Improved 40-degree shoulder seater, so make sure you match the die to your chamber. If you're shooting a standard 22-250, this is the one you want.
Why choose a chamber-type seater over a conventional seating die?
A chamber-type seater captures both the case and the bullet in full alignment before the bullet is pushed straight into the case. That control produces more concentric loads than a typical threaded die, which is why these are a longtime favorite among benchrest and precision shooters. If you're loading for accuracy, the difference shows up on paper.





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