User blog comment:JoeRamirez/Call of Duty Modern Warfare 3 Weapons Wishlist./@comment-3523988-20110918161644/@comment-1503545-20110918162344

Having the SPAS15 would be redundant if both the SPAS12 and the USAS12 are in-game. Mainly because those two essentially make up the SPAS15; in appearance and use.