ATI ATIM20BD10 Bulldog 10rd 20 Gauge Black Steel
http://www.tandktactical.com/shop/819644026372-ati-atim20bd10-bulldog-10rd-20-gauge-black-steel-24150
http://www.tandktactical.com/web/image/product.template/24150/image_1920?unique=4642269
Magazine is compatible with the ATI Bulldog 20 gauge.