Lee Double Cavity Mold produces a 50 Cal. Diameter 320 grain bullet. Driving band diameters from the base of the bullet to the tip: .502, .507, .512, and .517.
To determine mold selection, use Greenhill's formula
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WARNING: Melting and casting lead objects will expose you and others in the area to lead, which is known to the State of California to cause reproductive harm and cancer. For more information, go to www.P65Warnings.ca.gov. See instructions on Reducing Exposure supplied with product.