Mauser Rimfire 4400013 MP40 23rd 22 LR Black Polymer
https://www.tandktactical.com/shop/713440971082-mauser-rimfire-4400013-mp40-23rd-22-lr-black-polymer-28789
https://www.tandktactical.com/web/image/product.template/28789/image_1920?unique=b1b43a3
This replacement or spare magazine is compatible with your Mauser MP-40.
