Rock Island MGCGOV38N 1911 9rd 38 Super Nickel Metal
http://www.tandktactical.com/shop/812285025353-rock-island-mgcgov38n-1911-9rd-38-super-nickel-metal-16592
http://www.tandktactical.com/web/image/product.template/16592/image_1920?unique=0a8e776
This replacement or spare magazine is compatible with your Rock Island 1911.
