Gas checks 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 gas checks also permit higher velocities. Lyman Gas Checks seals the bullet base resulting in little to no leading in your rifle barrels. Crimp-on design. Package of 1000.
Product numbers available: 2827261, 2827263, 2827266, 2827267, 2827268, 2827270, 2827271, 2827272, 2827273