The Lyman .284 (7mm) Gas Check Gilding Metal Cup (Pack of 1000) is designed for high performance cast bullets. This Crimp-on design gilding metal cup fits cast bullet base and protect it from hot powder gases. Easily seated during bullet sizing, the gas checks also permit higher velocities.
|Material||Copper Gilding Metal|
|Weight||1.5 lbs / 0.68 kg|