RIO Ammunition Game Load 20 Gauge 1 oz 2 3/4 in Centerfire Shotgun Ammo 25 Rounds. These game loads come in 16-gauge 28-gauge and .410 bore sizes to suit your particular weapon. They measure 2_ or 3 inches in length and deliver an impressive muzzle velocity of up to 1300 feet per second. If you are in the market for a heavy-duty and reliable game load look no further than the Rio Heavy Field line of sub-gauge game loads. These game loads are packed with up to 1 1/8 ounces of #6 7 8 or 9 shot to ensure tight shot patterns each and every time. Specifications for RIO Ammunition Game Load 20 Gauge 1 oz 2 3/4" Shotgun Ammunition: Manufacturer: RIO Ammunition Gauge: 20 Number of Rounds: 25 Shot Size: 6 Shell Length: 2 3/4 in Muzzle Velocity: 1250 ft/s Application: Dove Shotgun Shot Weight: 1 oz Package Contents: RIO Ammunition Game Load 20 Gauge 1 oz 2 3/4" Shotgun Ammunition What is RIO Ammunition Game Load 20 Gauge 1 oz 2 3/4" Shotgun Ammunition good for? The manufacturer suggests that it is good for dove.RIO Ammunition Game Load 20 Gauge 1 oz 2 3/4 in Centerfire Shotgun Ammo 25 Rounds RC206