Hornady 7020 6mm/.243 Cal Gas Checks 1000/Box

Hornady 7020 Gas Checks are crimp-on base protectors designed for cast lead bullets in 6mm/.243 caliber, sealing propellant gases and preventing base deformation during firing. Sold in boxes of 1,000, these gas checks crimp securely to the bullet base during the sizing process for a reliable fit.