
Availability: In Stock
If you're serious about reloading rifle ammunition, you know that case preparation directly impacts consistency and brass longevity. The Lyman Neck Expanding (M) Die for .308/30-06 Springfield is a specialized reloading die designed to expand and flare the case mouth with a two-step operation that treats your brass better than a standard expander button. This approach reduces case stretch, meaning your brass lasts longer through multiple reload cycles—a real advantage when quality brass costs money and takes time to process.
This die shines when you're working with cast bullets, too. The controlled expansion prevents the frustrating "shaving" that can occur when seating cast projectiles, preserving bullet integrity and improving shot-to-shot consistency. Built from hardened steel and heat-treated to Rc 50, then hand-polished to an 8 RMS finish, the Lyman die is engineered for precision and durability. It's the kind of tool that rewards attention to detail—and rewards it measurably in how long your brass survives and how reliably your reloads perform.
Whether you're a precision rifle competitor refining your handload process, a hunter maximizing brass life to keep costs down, or a dedicated cast-bullet reloader looking to eliminate quality issues, this neck expanding die handles its job with the solid engineering Lyman is known for. The two-step design is the key difference here: it does more with less trauma to your cases.
| Cartridge Compatibility | .308 Winchester / .30-06 Springfield |
| Die Type | Neck Expanding (M) Die |
| Material | Hardened steel, heat-treated to Rc 50 |
| Finish | Hand-polished (8 RMS) |
| Included | Die only (shellholder not included) |
Yes. The controlled two-step expansion design prevents the shaving of cast bullet material that can occur with standard expander buttons, helping maintain bullet integrity and consistency.
Yes. By reducing case stretch compared to a standard expander button, the two-step operation allows your brass to survive more reload cycles before it needs to be retired.
This Lyman neck expanding die is sized for .308 Winchester and .30-06 Springfield.
No. The die is sold without a shellholder. You'll need to source the appropriate shellholder separately for your reloading press.

SKU: 197558803 • Weight: 0.6oz





Availability: In Stock
If you're serious about reloading rifle ammunition, you know that case preparation directly impacts consistency and brass longevity. The Lyman Neck Expanding (M) Die for .308/30-06 Springfield is a specialized reloading die designed to expand and flare the case mouth with a two-step operation that treats your brass better than a standard expander button. This approach reduces case stretch, meaning your brass lasts longer through multiple reload cycles—a real advantage when quality brass costs money and takes time to process.
This die shines when you're working with cast bullets, too. The controlled expansion prevents the frustrating "shaving" that can occur when seating cast projectiles, preserving bullet integrity and improving shot-to-shot consistency. Built from hardened steel and heat-treated to Rc 50, then hand-polished to an 8 RMS finish, the Lyman die is engineered for precision and durability. It's the kind of tool that rewards attention to detail—and rewards it measurably in how long your brass survives and how reliably your reloads perform.
Whether you're a precision rifle competitor refining your handload process, a hunter maximizing brass life to keep costs down, or a dedicated cast-bullet reloader looking to eliminate quality issues, this neck expanding die handles its job with the solid engineering Lyman is known for. The two-step design is the key difference here: it does more with less trauma to your cases.
| Cartridge Compatibility | .308 Winchester / .30-06 Springfield |
| Die Type | Neck Expanding (M) Die |
| Material | Hardened steel, heat-treated to Rc 50 |
| Finish | Hand-polished (8 RMS) |
| Included | Die only (shellholder not included) |
Yes. The controlled two-step expansion design prevents the shaving of cast bullet material that can occur with standard expander buttons, helping maintain bullet integrity and consistency.
Yes. By reducing case stretch compared to a standard expander button, the two-step operation allows your brass to survive more reload cycles before it needs to be retired.
This Lyman neck expanding die is sized for .308 Winchester and .30-06 Springfield.
No. The die is sold without a shellholder. You'll need to source the appropriate shellholder separately for your reloading press.
SKU: 197558803 • Weight: 0.6oz
