HK 234690S MR762 Clear Detachable 10rd 7.62x51mm NATO
http://www.tandktactical.com/shop/642230247314-hk-234690s-mr762-clear-detachable-10rd-7-62x51mm-nato-11721
http://www.tandktactical.com/web/image/product.template/11721/image_1920?unique=e564ad3
This replacement or spare magazine is compatible with HK MR762.
