Initial production for the Vietnam War loaded 00 buckshot into the same red plastic cases being used for sporting ammunition .
Initial production for the Vietnam War was designated : Shell , Shotgun , Plastic Case , 12 Gauge , No. 00 Buck , XM162 .
Initial production for the Vietnam War loaded 00 buckshot into the same red plastic cases being used for sporting ammunition and was designated : Shell , Shotgun , Plastic Case , 12 Gauge , No. 00 Buck , XM162 .