Lyman Gas Checks Guilding Metal Cups 375 Cal 1000 Pack

Lyman Gas Checks Guilding Metal Cups 375 Cal 1000 Pack. Easily seated during bullet sizing the gas checks also permit higher velocities. Crimp-on design. Package of 1000. Lyman Gas Checks are designed for high performance cast bullets. These gilding metal cups fit the cast bullet base and protect it from hot powder gases. Easily seated during bullet sizing the Lyman gas checks also permit higher velocities. Crimp-on design available to fit many calibers. Lyman Gas Checks is available with the fo