Reality Factory

I finally have nailed down a game design, and have finally modeled my first weapon:


With a checkerboard:



Textures are currently pending.
What do you think of it?

It's good for a first serious model, but it's quite blocky. The muzzle needs a slight bevel or something, e.g. make it a hexagon or octogon instead of a cube. The barrel is pretty wide, although that may be intentional.

I was inspired by a NERF gun
I don't know what kind of projectile it will shoot (bullet or something) but it definitely can use a little more detail.