L.E. Wilson Die with Expanding Mandrel – 25 – .256”
$66.81
The L.E. Wilson Expanding Mandrel Die prepares new brass for optimal bullet seating, ensuring consistent neck diameter and uniform neck tension.
2 in stock
The L.E. Wilson Expanding Mandrel Die is a crucial tool for precision reloaders. It is designed to prepare new brass for optimal bullet seating. This die ensures a consistent neck diameter by expanding the case neck to slightly under bullet diameter achieving uniform neck tension and consistent seating depth.
The die features interchangeable mandrels (sold separately) to accommodate various calibers and its stainless-steel construction guarantees long-lasting durability. The cut-out in the die provides a clear view for aligning the case and setting the depth accurately. Compatible with standard 7/8ths reloading presses the die includes a lock nut manufactured by L.E. Wilson for added precision.
The expanding mandrel die is particularly useful for new brass that may be damaged during bulk shipping or to properly prepare for their first firing. Proudly made in the USA the L.E. Wilson Expanding Mandrel Die offers exceptional quality and precision making it a reliable addition to any reloader’s toolkit.
Includes one mandrel.
Additional mandrels sold separately.
- Cut out in die provides an easy view for making sure case aligns and setting up depth.
- Interchangeable Mandrels depending on caliber.
- Standard 7/8ths Reloading Press.
- Die ONLY expands neck to slightly under bullet diameter.
- Stainless Parts for a Long-Lasting Finish.
- Durable and Accurate.
- L.E. Wilson manufactured lock nut – thickness is .225" from inside to outermost edge .270" for height and 1.250" total width OD.
| Weight | 0.500 lbs |
|---|---|
| Dimensions | 5.750 × 1.750 × 1.750 in |
| Manufacturer | L.E. Wilson |
| Frame Material | Stainless Steel |
| Caliber | .256” |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

Reviews
Clear filtersThere are no reviews yet.