User blog comment:JoeRamirez/Call of Duty Modern Warfare 3 Weapons Wishlist./@comment-4056988-20110612230518

All I want in MW3 is a MP5. Also, (call me retarded) what does the "A" after a gun's named followed by a number mean (e.g. M16A1,2,3,4,5. M4A1,MP5A1,2,3). I know it has somethin' to do with varients of the original gun, but what does it stand for?