RC Cartridge RC2 Competition 12 Gauge 7/8oz 2 3/4in Shotgun Ammo #7.5 250 Rounds. This RC Cartridge Ammunition features 7.5 shotgun shells that deliver powerful stopping power flawless precision and reliability for competition. With premium plastic shotgun shells . Shop now to get 2 3/4 in shotgun shells delivered right to your door. With incredible savings on Ammunition and other superior shotgun ammo from trusted brands like RC Cartridge you re sure to find the perfect firepower for your next hunting trip or range visit. Stock up today to save big on shells and other top-tier tactical hunting and outdoor gear at OpticsPlanet. What is RC Cartridge RC2 Competition 12 Gauge 7/8oz 2 3/4'' Shotgun Ammunition good for? The manufacturer suggests that it is suitable for competition.RC Cartridge RC278L7: RC2 Competition 12 Gauge 7/8oz 2 3/4in Shotgun Ammo #7.5 250 Rounds