In stock at frontier if needed. No 17 rounders though.
$44.95
http://frontierfirearms.ca/index.php/smith-and-wesson-m-p-9mm-luger-10-round-mag.html
$44.95
http://frontierfirearms.ca/index.php/smith-and-wesson-m-p-9mm-luger-10-round-mag.html