Algodoo

My fourth Spring Bullet Gun design that I've uploaded to Algobox. It has pretty much the same firing mechanism and bullet design as my last few, but now they work much better.
You can fire just about as fast as you want, but I suggest waiting untill the bullet slides back a bit in the barrel. If you hold Enter/Return to fire, then it'll just sit there and wait for you to hit it again.
If you do hit Enter/Return really fast, then you might leave some pieces of the shell behind, but it's nothing to be worried about (as far as I've seen).
This gun isn't super strong at the moment, but that'll be changed in a bit.

PROS.
Fires very fast.
Holds fourteen bullets at one time.
Semi-automatic.
Doesn't keep firing the firing pin if you hold fire.
Bullets don't fly around in the barrel do to the recoil.

CONS.
Doesn't have full-auto firing.
You have to clone the bullets to load.
Doesn't have a de-tatchable magazine.
Isn't very powerfull.
Leaves pieces behind if you shoot too fast.

Have fun, and try not to kill somebody! Unless...that's why you got this gun, then...try to kill somebody!