Remington Nitro Steel Duplex shells are loaded with two different sizes of steel shot for ultimate performance at all ranges. Blended, high velocity magnum steel payload gives dense patterns with the smaller shot size close up, while the larger shot hits hard close and maintains energy at longer ranges. FeaturesTwo shot sizes for deadly patterns at all rangesTough, versatile wad cushions shot and performs across wide range of choke tubesMaximum velocity for true magnum-blended steel payloadsHigh base, quality head and drab hull for less reflection