This is 20 Gauge Remington Nitro Magnum 2 3/4" 1 1/8oz. #4 Shot Ammo. This is the original buffered magnum shotshell from Remington. The shot charge is packed with a generous amount of shock-absorbing polymer buffering and surrounded by Remington's patented Power Piston wad to protect the specially hardened shot all the way down the barrel for dense, even patterns and uniform shot strings.This ammo is packed in 25rd. boxes.