MEC Outdoors 8452 600 Jr. Mark V Die Set 28 Gauge
http://www.tandktactical.com/shop/098489015080-mec-outdoors-8452-600-jr-mark-v-die-set-28-gauge-7026
http://www.tandktactical.com/web/image/product.template/7026/image_1920?unique=2863d21
MEC's die set converts your existing 600 Jr. Mark V to another gauge. This model converts to 28 gauge.
