What?! I knew about the Han Solo blaster and the bowcaster, but I never knew they released Boba Fetts sawed-off blaster rifle!
I'm sure it sucks, but still... It's pretty nice.
It's pretty comfortable to hold.
One thing you should note is that, Depending on the placement of the internals and the length of the barrel you use, the gun may be a bit front heavy. That problem could be solved by placing the airtank in the very back of the gun, with the pump either protruding from the handle or taped to the side of the gun.