2 looks like you laid the spent casing on a piece of paper with your hand holding the pistol just below. The blur is going the wrong direction if you're trying to give the illusion you've captured the pistol cycling from firing a live round.
Not really a fan of any of them. The first one is under exposed there is no detail in the gun. The second one as someone already mentioned the blur is going the wrong way unless of course you meant for the spent cartridge to be falling towards the gun instead of out of it. Number three I keep moving my head to look through the smudge in my glasses only there is no smudge there.