Mauser Rimfire 4150104 M-15 110rd 22 LR Drum Black Polymer
https://www.tandktactical.com/shop/4049805201362-mauser-rimfire-4150104-m-15-110rd-22-lr-drum-black-polymer-28780
https://www.tandktactical.com/web/image/product.template/28780/image_1920?unique=c1cd3a8
This replacement or spare magazine is compatible with your Mauser M-15.
