For a while there, modding your Nerf gun was the hot thing to do! While gun-like objects or any weapon really are no longer allowed at most conventions, Nerf Guns are still awesome for general fun! Here is my eldest nephew's birthday from a few years back. A true Nerf War!
As a result I really fell for the who concept of Nerf Mods and I've done some cool ones over the years...take a look at a couple!