I'm not sure if somebody answered this question but since i'm just too lazy to look through all the posts around the forum to see where it came from i'm gonna answer it anyway.
Somebody asked "What gun is the Bullpup modeled after?" and I immediately knew what it was.
Bullpup
isn't a gun but it's
some type of design near the stock of some weps. Just picture the Steyr AUG and the Tier+Tactical Bullpup and look for a similarity between them. If you can see it, that's a"bullpup design":

And...

And if the pic doesnt show, here's the AUG link to the pic:
http://members.shaw.ca/tmcveigh/Projects/GunRights/images/Aug-hbar.jpgAnd If you can't find the part that's the same... Its teh clip in da back. It's the way that those guns are designed where the clip is inserted into the back of the gun instead of being near the middle like the M16, Dragunov, and all the other guns that some people call "normal" guns
P.S. Please call me names and whatever If you think i'm worthless for saying this. I'm just trying to help the noob that PM'd me for no reason :3