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This is the stainless steel cap and standard seating stem (what Wilson calls the "drift") built as a direct replacement for the 6mm, .243 caliber chamber type inline seater dies. If your factory cap and stem walk off the bench or get dinged over years of load development, this assembly brings your die right back to life without having to replace the whole thing. It's the same part that ships with the current all-stainless 6mm seater, carrying Wilson's part number BSA-S60.
For anyone newer to the chamber type setup, these dies work a little differently than a threaded 7/8-14 die. The case and bullet are both fully captured inside the die body before the bullet ever starts moving, then the stem pushes the bullet straight down into the neck. That inline support is why benchrest crowds have leaned on these for decades, and why they tend to produce lower runout than a conventional seater. The cap and drift assembly is the business end of that process, so keeping it in good shape matters.
The seating stem is the part that contacts your bullet, and a clean, undamaged drift is what keeps seating consistent from round to round. Seating depth adjustments are made by turning the screw inside the cap, and a felt pad sits between the thread and set screw to protect the stem threads from damage. This is the standard stem, honed for typical 6mm bullet profiles. If you're running long, pointed VLD or ELD style projectiles, Wilson offers a separate VLD drift that's reamed to a different angle.
Setup is simple. The stem and cap assembly seats snug in the smaller end of the through hole, which is the top of the die. Loosen the set screw with a hex wrench, dial in your seating depth, snug it back down without overtightening, and you're ready to press rounds on an arbor press or with a mallet. These dies are hand-die design and are not meant for a conventional threaded press.
Made in East Wenatchee, Washington, this is the kind of small part that keeps a quality die earning its keep for the long haul.
Yes, this is the exact cap and standard stem assembly that ships with Wilson's 6mm, .243 caliber chamber type inline seater dies. It seats snug in the top of the die body, which is the smaller end of the through hole. It's the right replacement if your original cap and drift are lost or worn.
This is the standard seating stem, honed for common 6mm bullet profiles. If you're loading long, pointed VLD or ELD style bullets, Wilson makes a separate VLD drift assembly that's reamed to a different angle. For most 6mm loads, the standard stem is what you want.
No. Wilson chamber type seater dies are a hand-die design meant for an arbor press or a mallet, not a conventional threaded 7/8-14 press. This assembly is simply the cap and stem that goes into that style of die.
Seating depth is set by turning the screw inside the cap. Loosen the set screw with a hex wrench, adjust the stem, then snug the set screw back down to lock it in. There's a felt pad between the thread and set screw to protect the stem threads, so there's no need to overtighten.
| UPC | 815145029591 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | BSA-S60 |
| Caliber/Gauge | .243/6 mm (.243) |
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