Remington Nitro-Steel 20 Gauge 1oz 3in Shotgun Ammo 4x6 Shot 25 Rounds. This Remington Ammunition features 6 4 2 shotgun shells that deliver powerful stopping power superior accuracy and predictability for target. . Explore now to get 3 in shells delivered right to your door. With amazing deals every day on Ammunition and other high-quality shotgun ammo from trusted brands like Remington you re sure to find the ideal effectiveness 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 Remington Nitro-Steel 20 Gauge 1oz 3'' Shotgun Ammunition good for? The manufacturer says that it is good for target.Remington R20331: Nitro-Steel 20 Gauge 1oz 3in Shotgun Ammo 4x6 Shot 25 Rounds