LYMAN Gas Checks Shotgun ACCESSORY The 600/1200 system works on

The 600/1200 system works on any Lyman 600 and 1200 or most competitive models of similar bowl size

Robust die cast aluminium construction for extended use

in an economical configuration featuring an internal box magazine

With a modern design and made with rugged Endura fabric and a padded carry handle

Professional grade70-yard range

LYMAN Gas Checks Shotgun ACCESSORY The 600/1200 system works onGas 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. Packaged in packs of 1000.