Federal Master Class, 12 Gauge, 2.75, #8, 1 oz, Shotshell, 25 Round Box MC12H18 Your competition has met its match. Federal Master Class competition-level sporting clay load features a customized Podium wad that extracts peak performance from Federal's straight-wall hull. High-antimony lead shot, a reliable primer, and select propellant combine to break the most challenging targets in high-level sporting clays and FITASC shoots.