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If you've ever chased that last little bit of concentricity in your 300 PRC loads, this is the tool that gets you there. The L.E. Wilson Stainless Steel Micrometer Bullet Seater Die is an inline, chamber-type seater machined from solid bar stock. Instead of threading the case up into a die like a conventional press setup, this one holds the case stationary inside a chamber cut to match your cartridge, then pushes the bullet straight down through a close-fitting seating stem. Everything stays aligned through the whole stroke, which is exactly why these dies have been a benchrest favorite for generations.
The micrometer top is the star here. It gives you seating depth adjustments in clean .001" graduations, so you can zero in on your rifle's sweet spot and come right back to it every time. For bigger jumps, the 3/8"-24 threads in the cap let you make major moves without fuss. The whole thing is cut from stainless steel for the long haul, with laser-engraved markings that stay readable after years on the bench. Fit and finish is the kind of tight that Wilson is known for, the seater stem and body are matched so precisely you can feel the air cushion as they come together.
This is a hand die, meant to run with an arbor press or, in a pinch, a soft mallet. It is not made for a conventional threaded press. The workflow is simple: set a charged case in the die, drop a bullet on the mouth, slide the die onto its base, and press the cap down until it bottoms out. A lot of folks load right at the range with these, tweaking seating depth on the spot during load development. The die ships with the standard seating stem, which covers most conventional bullet shapes nicely. If you're running VLD or long-ogive match projectiles, a VLD stem is worth looking into so the stem contacts the bullet down near the bearing surface for the most consistent results.
No, this is a hand die designed to run with an arbor press or a soft-faced mallet. It is not made for use in a conventional threaded press. Most reloaders pair it with a small arbor press for smooth, repeatable seating, and L.E. Wilson designed it with presses like the K&M in mind.
The micrometer head lets you adjust seating depth in precise .001" graduations, so you can find your rifle's optimal depth and return to that exact setting every time. It makes load development quick since you can note a number and dial right back to it. For larger changes, the 3/8"-24 threads in the cap handle the bigger adjustments.
It ships with the standard seating stem, which works well for most conventional bullet profiles. If you're loading VLD, hybrid, or long secant-ogive bullets, a VLD stem is a worthwhile add-on since it contacts the bullet closer to the bearing surface for more consistent seating. Running the right stem for your bullet shape helps avoid marking the jacket and keeps depths uniform.
The case and bullet are fully captured inside a chamber cut to match your cartridge before the bullet is pushed straight down by the seating stem. Because everything stays aligned through the entire stroke, you get very low runout and straighter ammo. That is why these have been a staple on benchrest, F-Class, and precision shooting benches for decades.
| UPC | 815145027528 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | S3-PRC |
| Shipping Weight | 1.1 |
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