ABC News said that there was a scramble for the gun and that’s when Zimmerman shot Martin.
i believe the PD reports said the next round did not chamber likely because the slide was stopped by close contact with the man on top of him...
I had heard in a report [but cannot confirm the accuracy of it] that Martin basically cold-cocked Zimmerman and then jumped on him when he was on the ground.
During the scuffle, the gun on Zimmerman became visible. That is when the struggle for the gun took place, and during it, the gun was discharged ...