Beretta USA 51961 M9/M9A1 10rd 22 LR Stainless Steel
http://www.tandktactical.com/shop/082442854021-beretta-usa-51961-m9-m9a1-10rd-22-lr-stainless-steel-2601
http://www.tandktactical.com/web/image/product.template/2601/image_1920?unique=40a4b44
This replacement or spare magazine is compatible with your Beretta M9, M9A1.