[quote=@Darcs]
<Snipped quote by Arcanaut>
The REVOLVER isn't even SPINNING, christ, jesus FUCKING DICK how CASUAL can you even BE!?!

[@Piercing Light] K
[/quote]

If you were to spin a single action revolver ala Russian roulette then the first few chambers would be empty due to the fact the bullets weigh them down. In fact, I'm pretty sure this is brought up when you're fighting Revolver Ocelot the second or third time in MGS3