Lyman Trim Die 300 BLK

Lyman Pro Trim Die for 300 Blackout

The Lyman Trim Die for 300 Blackout is a precision reloading component built to exacting standards. This die represents the kind of thoughtful engineering that serious handloaders have come to expect from Lyman.

Construction and Materials

Stainless steel construction ensures durability and corrosion resistance through years of regular use. These dies are manufactured in the USA to Lyman's rigorous quality standards, delivering the reliability you need for consistent ammunition production.

Universal Compatibility

The die features:

• 7/8-14 bottom thread — fits all Lyman Mark 7 presses and virtually all other reloading presses on the market
• 13/16-20 top thread — compatible with Lyman's press-mounted trimmer and many other popular aftermarket trimmer systems

Why This Matters

Precise case trimming is essential for consistent cartridge performance and reliable feeding. This die gives you the flexibility to use it with your existing press setup while maintaining the precision that quality ammunition demands.

Whether you're loading for subsonic or supersonic applications, the Lyman Trim Die for 300 Blackout is a solid foundation for your reloading bench.