ATI ATIM20BD5 Bulldog 5rd 410 Gauge Black Steel
http://www.tandktactical.com/shop/819644026365-ati-atim20bd5-bulldog-5rd-410-gauge-black-steel-24152
http://www.tandktactical.com/web/image/product.template/24152/image_1920?unique=c79bcbe
Magazine is compatible with the ATI Bulldog 410 gauge.