User blog comment:JoeRamirez/Call of Duty Modern Warfare 3 Weapons Wishlist./@comment-1162088-20110219041433/@comment-85.96.176.126-20110219102459

You actually can add a few parts to make a gun fire faster, but it'd be much less reliable.

But this is CoD, you can somehow get the AA-12 worse than the 1887.