Glock MF31015 G31 15rd 357 Sig Black Polymer
https://www.tandktactical.com/shop/764503310157-glock-mf31015-g31-15rd-357-sig-black-polymer-1956
https://www.tandktactical.com/web/image/product.template/1956/image_1920?unique=0e6741e
Glock 31, 357 Sig, 15rd magazine.
