Lee Undersized Carbide Sizing Die 40 S&W/10mm
Lee carbide sizing die for 40 S&W and 10mm ammunition. No lubrication required—the die burnishes cases while sizing them. Built to last a lifetime.
Lee Undersized Carbide Sizing Die for 40 S&W and 10mm
This Lee carbide sizing die represents a significant advantage for reloaders who process 40 S&W and 10mm ammunition in volume.
Key Features
- Carbide construction eliminates the need for case lubrication
- Burnishing action improves case appearance while sizing
- Undersized dimensions ensure proper fit and function
- Lifetime durability — carbide's extreme hardness resists wear
Why Carbide Matters
Carbide dies work fundamentally differently than traditional steel dies. Because carbide is significantly harder than brass, cases slide through without requiring the lubricant necessary with steel dies. This means fewer cleaning steps, less mess, and faster reloading sessions.
As cases pass through the die, the carbide surface actually polishes them—a process called burnishing. Your finished ammunition not only functions reliably but looks professional.
Built for the Long Haul
Carbide's extreme hardness means these dies resist the wear that eventually degrades steel dies. For serious reloaders, this translates to a one-time investment that will outlast multiple presses and countless rounds.
