SKU CSSI|LWEXPM65M Category

Wilson Expanding Mandrel Only 6.5mm .263″

Wilson Expanding Mandrel Only 6.5mm .263″

$17.60

2 in stock

The Wilson Expanding Mandrel Sizing Die. This die is designed to be used on NEW brass cases to prepare the case for the seating operation. Over the past few years we have seen a greater need to run new brass cases over and expanding mandrel to properly prepare them for their first firing. New brass cases are often damaged when shipped in bulk this die will give you a consistent neck diameter on your cases. With correct neck tension you can expect a more consistent seating depth and shot.

Includes one mandrel. Additional mandrels sold separately.

Features:

  • 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

Additional information

Upc

815145028556

Manufacturer

L.E. Wilson

Manufacturer part number

EXPM-65M

Shipping weight

0.1

FAQ

BJ Firearms LLC is a federally licensed firearms business focused on providing quality firearms, accessories, and related services while promoting responsible ownership, education, and community engagement.

The company was founded to serve firearm enthusiasts with knowledgeable service, real-world experience, and a commitment to professionalism and safety.

We focus on real experience, personalized service, hands-on product knowledge, and community involvement — not just sales. Our goal is to help customers make informed decisions and feel confident with their equipment.

Yes. We operate as a federally licensed firearms dealer (FFL), following all applicable federal, state, and local regulations.

Yes. We partner with trusted suppliers to provide quality products and reliable sourcing.

Yes. We partner with content creators and industry professionals to provide real-world insights and experiences.

We work with everyone — from first-time buyers to experienced enthusiasts. Education and guidance are a big part of what we do.

We offer firearms, accessories, gear, and related equipment depending on availability and customer needs.

Yes. We help customers evaluate their needs, experience level, and intended use to find the right fit.

Yes. Depending on the request, we can help source specific products or assist with custom configurations.

Yes. We actively engage in hands-on experiences, demonstrations, and community-related firearm activities when possible.

Yes. We support content that helps people learn about equipment, safety, and responsible firearm ownership.

Social Media Posts

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Customer Reviews

“Outstanding customer service.” I had a lot of questions before buying, and they walked me through everything without pressure. Super knowledgeable and easy to work with. You can tell they actually care about their customers.
Verified Customer
“Best experience I’ve had buying gear.” Professional, responsive, and honest. They helped me choose exactly what I needed without overselling anything. I’ll definitely be coming back.
Verified Customer
“Great people, great service.” Very down-to-earth and easy to talk to. They explain things clearly and make sure you understand your options. Highly recommend, especially if you’re new.
Verified customer

BJ FIREARMS LLC

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