Buy Federal GM210M Large Rifle Match Online. Gold Medal cartridges use the same premium primers that are used by match shooters and hunters worldwide. Federal Gold Medal Primers are created using the company’s own basic lead styphnate priming mixture for the best primer ignition. This product may expose you to lead, which the State of California is aware can damage your reproductive system and cause cancer and birth abnormalities. Visit the website at www.P65Warnings.ca.gov for further details.