Rock Island 10777 1911 8rd 10mm Auto Blued Metal
https://www.tandktactical.com/shop/812285021232-rock-island-10777-1911-8rd-10mm-auto-blued-metal-5150
https://www.tandktactical.com/web/image/product.template/5150/image_1920?unique=efad143
This replacement or spare magazine is compatible with your Rock Island 1911 A1.
