Lee Precision’s 90188 Lube & Sizing Kit is designed for cast bullets with a .510 diameter. The kit provides a dedicated sizer die, punch, and capture container to size cast bullets and to seat and crimp gas checks. It is intended for use on single-stage reloading presses and ships without lubricant included.
Key Specifications
- The kit is intended for bullets with a diameter of .510 inches.
- The sizer die uses 7/8×14 threads to fit standard reloading presses.
- The kit is compatible with single stage presses.
- Includes sizer box, sizer punch, and sizer die for push-through sizing and gas check seating.
- Material construction is steel and plastic.
- The kit’s listed weight is 95 oz.
- Package dimensions measure 3.45 x 4.85 x 5.50 inches.
- Finish is described as silver.
- The unit sizes bullets nose-first so no special nose punches are required.
- Lubricant is not included; use an appropriate bullet lube sold separately.
Whether preparing cast bullets for target work or traditional big-bore applications, this Lee Precision kit provides the fundamental tooling needed to size cast bullets and seat gas checks on a single-stage press. Its standard 7/8×14 thread die and captured sizing container simplify workflow and cleanup, making it a practical choice for reloaders who prefer hands-on, methodical processing of cast projectiles.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.


