Algodoo

My second scene so far. Originally supposed to be designed after the trapdoor rifle from the late 1860s to the early 1870s, but then my mind wandered...
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Instructions:
1. Cock the hammer
2. Drag a bullet either from the above ammunition box, or the stray shot leaning on the chamber. Place it, projectile first, into the chamber.
3. Drag the chamber downwards.
4. Press 'c,' or manually pull the trigger to fire the gun.
5. Drag the chamber upwards again, so that it was in its starting position.
6. Remove shell.
7. Repeat steps 1-6 untile ammunition has been expended.
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Once again, this is my second scene. I'm open to suggestions and comments, so long as they're polite. Once again, Have Fun!