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This little cap is one of those upgrades that quietly changes how you reload. The L.E. Wilson Micro-Adjustable Stainless Bullet Seater Cap swaps onto your existing chamber type inline seater and turns it into a true micrometer setup, so you can fine-tune seating depth without guessing or trial-and-error shimming. L.E. Wilson has been building precision reloading tools for over 80 years, and this piece carries that same reputation for quality.
The heart of this cap is a precision-cut 40 TPI thread, which gives you adjustment in .001-inch increments with .025 inch per full rotation. That means you can chase lands, test seating depth in small steps, and get back to a known setting whenever you want. The scale is laser etched rather than stamped or printed, so the numbers stay crisp and readable through years of handling. It's a compact design too, running about the same height as the standard cap that ships with the die, so it won't throw off your workflow on a mallet or an arbor press.
Installation is about as simple as it gets. You remove the standard bullet seater cap from your L.E. Wilson chamber type seater, thread this micrometer cap on, set the screw, and you're ready to go. It accepts seating stems, also called drifts, across the 17 to 35 caliber range, so one cap covers a lot of ground if you load for multiple cartridges. Keep in mind the seating stem itself isn't included, so you'll use your existing stem or grab the one that matches your bullet.
Built from 303/416 stainless and made in the USA, this cap is a smart move for anyone running Wilson inline seaters who wants repeatable, measurable seating depth without stepping up to a whole new die. For load development and consistent concentricity, it earns its spot on the bench fast.
No, the seating stem, sometimes called a drift, is not included with this cap. You'll use the stem you already have or add one that matches your bullet. The cap itself accepts stems across the 17 to 35 caliber range.
It's designed to replace the standard cap on L.E. Wilson chamber type inline bullet seaters. You simply unthread your existing cap, thread this micrometer cap on, and set the screw. It's not a standalone die, so you'll need a compatible Wilson inline seater to use it.
The precision cut 40 TPI thread lets you adjust seating depth in .001-inch increments, with .025 inch of travel per full rotation. That makes it easy to dial in small changes during load development and return to a known setting later.
No, L.E. Wilson inline seaters are hand-die designs built for use with a mallet or an arbor press rather than a conventional threaded press. This cap works within that same inline system to help keep bullet and case aligned and minimize runout.
| UPC | 815145021946 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SBSC-MIC |
| Shipping Weight | 0.3 |
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