MAGMA MOLDS ARE TEST CAST USING: 6% ANTIMONY, 2% TIN, 92% LEAD

Cast Diameter: .504 - .505
Sizing Diameter: .502
Description: SINGLE CAVITY ONLY
Our molds are engineered specifically for commercial-grade casting. To provide the reloader with maximum flexibility and the tightest possible tolerances, all our molds are designed to cast oversized. ALL projectiles require sizing to meet your firearm's specific bore requirements
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