Mod Description:
“On the second day of Kerbal my Kerbanauts gave to me – two awesome weapons.”

The new rail-gun and missile firing mod, which has been presented JellyCubes Advanced Weapons Research and Development, is a new mod for Kerbal Space Program.
You can find out more information and download the add-on from our KSP Mods page
Rail-gun Download: Here
Missile Download: Here

Hi,
You may wish to note that this article links only to the rear and side firing railguns. If you want to create an awesome ASAT interceptor you will need the front firing cannon too which is available at this link!
http://www.mediafire.com/?33pr559yes29k6d
Reference – this forum thread
http://kerbalspaceprogram.com/forum/index.php?topic=4886.0
Thanks, I will update the link as well.