Lee Precision 221 Rem Fireball Rifle Prec Micrometer Bullet Seat Die

The Lee Precision 221 Rem Fireball Rifle Precision Micrometer Bullet Seat Die brings bench-tested accuracy to handloaders who demand repeatable, uniform seating depth without premium pricing. Built for the 221 Rem Fireball cartridge, this die combines a micrometer-adjusted seating stem with a floating bullet guide—a design proven to minimize bullet runout and deliver consistent results across a full batch of loaded rounds.

If you're stepping up from standard seating dies or building loads for a precision 221 Fireball rifle, this die's dead-length seating method locks in cartridge uniformity the moment the shell holder engages the die body. The micrometer thimble is laser-engraved in one-thousandth-inch increments and reads intuitively, so dialing in your exact seating depth takes seconds and stays put from round to round. The machined, burnished seating stem handles virtually any bullet point style—hollow point, soft point, or match grade—without scuffing or deformation.

One standout feature is the reversible floating bullet guide: unthread it and flip it back in place to convert the die for simultaneous seating and crimping in a single stroke—a convenience most competitors reserve for their higher-end tooling. The guide itself employs radial clearance to let the case and bullet align naturally with the seater screw, taking bind and chatter out of the equation.

For 221 Fireball handloaders chasing tight velocity spreads and sub-minute-of-angle groups without breaking the bank, this Lee Precision die delivers the precision-equipment features that matter.

Key Features

• Dead-length seating with shell-holder engagement for uniform seating depth across all rounds
• Micrometer thimble graduated in 0.001-inch increments, laser-engraved and easy to read
• Floating bullet guide with radial clearance to minimize bullet runout and align case and bullet automatically
• Machined and burnished seating stem handles all bullet point styles without marking or damage
• Reversible guide design allows combined seating and crimping in one operation
• Infinitely adjustable for precise depth control

Specifications

Frequently Asked Questions

Will this die work with my 221 Rem Fireball press and reloading setup?

Yes, this die is designed for the 221 Rem Fireball cartridge and will fit any standard single-stage or turret press that accepts Lee Precision dies. It works with standard shell holders and follows Lee's universal die mounting scheme.

Can I use this die to both seat and crimp in one step?

Yes. The floating bullet guide is reversible—unthread and reinstall it to switch between dedicated seating and the combined seating-crimping mode in a single pull.

What makes the floating bullet guide different?

The floating guide employs radial clearance that allows the case and bullet to self-align with the seater screw. This design reduces bullet runout and eliminates binding, resulting in more consistent seating depth and less potential for bullet deformation across multiple rounds.

How precise is the micrometer adjustment?

The laser-engraved micrometer thimble is graduated to 0.001 inch (one thousandth of an inch) and provides infinitely adjustable seating depth control, matching the readability and feel of a precision depth micrometer.