The Lyman .44 Caliber Gas Checks is a copper cups that crimp onto the base of cast bullets to protect them from the hot, burning gases that propel the bullet out of the barrel. Gas Checks also aid in the reduction of fouling by keeping less lead from being melted in the barrel.
|Material||Copper Gilding Metal|
|Package Quantity||Pack of 1000|
|Weight||1.5 lbs / 0.68 kg|