This is a cool mechanism but the inner mouth retracts a bit before closing again, I think that to get a good bite it would be better if it closed before retracting
It looks really nice but has some reliability issues, sometimes the bullet gets stuck while reloading because it tries to enter the chamber at an angle, sometimes it just doesn't fire even when everything looks fine and then there's the issue that TheClankinator mentioned. Good work though!
There's nothing wrong with a five dollar calculator made in China. If a five dollar calculator can calculate as good as a twenty dollar calculator then the five dollar one is a better calculator.
I'm just saying that with the technology used here being nikoki's calculator blocks there's probably a more efficient way to do the same thing. I'm sorry if that's rude, I didn't mean to detract from the effort you put into this scene, I just wanted to encourage you to further optimize it.