Lee 92371 Micrometer Fl Die Set 300 Aac Blackout
The Lee Precision 300 AAC Blackout micrometer full-length die set gives you the precision and control that serious reloaders depend on when working with this versatile intermediate cartridge. Whether you're loading for a modern sporting rifle, precision bolt gun, or suppressed setup, a dedicated die set sized specifically for .300 Blackout keeps your ammo consistent and reliable. Lee's micrometer dies let you dial in your seating depth with fine adjustment, so you can tune loads for accuracy and function without wasting rounds chasing variables.
The two-die configuration handles the core reloading sequence: full-length sizing and bullet seating. Full-length sizing ensures consistent case dimensions and reliable chambering across any .300 Blackout rifle, while the micrometer seating die gives you repeatable, adjustable control over how deep your bullet seats. That's especially useful if you're working up loads for subsonic or supersonic ammunition, or if you're fine-tuning for a particular rifle's magazine or chamber.
Lee is known for building reloading tools that work, not for charging premium prices—this die set is no exception. It's designed to integrate into your existing Lee press and complement your current reloading setup. If you're already running a Lee single-stage or turret press, these dies will fit right in and give you the precision you need for .300 Blackout loads.
Key Features
- Micrometer seating die for precise, repeatable bullet seating depth adjustment
- Two-die set designed specifically for .300 AAC Blackout cartridge
- Full-length sizing die for consistent case dimensions
- Compatible with standard Lee reloading presses
Specifications
| Caliber | .300 AAC Blackout |
| Die Set Type | 2-Die Full-Length Micrometer Set |
| Brand | Lee Precision |
| Part Number | 92371 |
Frequently Asked Questions
What presses are these dies compatible with?
These Lee dies are designed to work with standard Lee reloading presses, including their single-stage and turret models. Check your press specifications to confirm it accepts standard 7/8"-14 threaded dies.
What's included in this two-die set?
The set includes a full-length sizing die and a micrometer seating die, both calibrated for .300 Blackout. These are the two core operations for most .300 Blackout reloading.
Can I use this die set for both subsonic and supersonic loads?
Yes. The micrometer seating die allows you to adjust bullet seating depth, which gives you the flexibility to develop both subsonic and supersonic loads and fine-tune them for your specific rifle and magazines.

