RC Cartridge RC36 .410 Gauge 1/2oz 2 3/4in Shotgun Ammo #8 250 Rounds. 410 Gauge 1/2oz 2 &1/2 in Shotgun Ammunition online at OpticsPlanet for extremely effective 1/2 oz. This RC Cartridge Ammunition features 7.5 8 shotgun shells that deliver strong stopping power perfect precision and consistency for competition. With premium plastic shotgun shells . Order today to get 2 1/2 in shells delivered right to your door. With special offers on Ammunition and other superior shotgun ammo from trusted brands like RC Cartridge you re sure to find the ideal effectiveness for the hunt or the range. Stock up today to save big on shells and other top-tier tactical hunting and outdoor gear at OpticsPlanet. What is RC Cartridge RC36 .410 Gauge 1/2oz 2 &1/2 in Shotgun Ammunition good for? The manufacturer thinks that it is good for competition.RC Cartridge RC41014H8: RC36 .410 Gauge 1/2oz 2 3/4in Shotgun Ammo #8 250 Rounds