The Lee Precision 90440 double-cavity round ball mold is designed for casting round balls used with black powder firearms and traditional reloading applications. Constructed from aluminum, the mold benefits from faster heat transfer and inherent corrosion resistance compared with ferrous molds. The unit ships with handles and a sprue plate to simplify casting and trimming operations. CNC-machined block halves promote consistent cavity alignment and deliver smooth round balls suitable for use in appropriate firearms and reloading setups.
Key Specifications
- The mold produces 2 Bullets per pour.
- The ball size is .451 inches in diameter.
- Each cast ball weighs approximately 137.71 Grain.
- The mold is made from Aluminum for faster heat transfer and reduced corrosion.
- The product includes Handle/Sprue Plate for casting and trimming.
- The listed weight of the mold is 95 oz.
- The function of the tool is Mold Projectiles.
- The product type is Double Cavity.
- The diameter is specified as 0.451 inches.
- The package quantity is 1 mold.
Compact and efficient, this double-cavity mold provides a practical solution for reloaders and traditional shooters who need reliable, repeatable round balls. Its aluminum construction and CNC-machined cavities help maintain consistent results batch after batch, while the included handles and sprue plate make the casting process straightforward. Suitable for those who prefer hands-on casting for historical, recreational, or reloading purposes, the Lee Precision 90440 offers a durable, no-nonsense choice for producing .451 balls to the specified weight.









