Good idea.
Like, really really good idea. I've been wanting items like this for a long time!
But poor implementation.
The recoil is annoying, and the item naming makes items difficult to find. Some weapons are poorly balanced, and the weapons which should be powerful still aren't powerful enough.
Along with the damage, oh god, the damage. The amount some of these weapons dish out is ridiculous. Blockland doesn't need realism, it needs game-elements. Really cool, stylised and possibly cliche stuff that can be used diversely and uniquely.
I shouldn't need to go through someone else's script and change a bunch of stuff for it to work the way I like, so I'm not going to bother keeping it in my server.