perhaps he might still have trouble re-cocking the vintage weapon james desperately thought , as sydney pulled the trigger , and in the time it took for the slug to travel up the barrel , and cover the distance between it and jamess right eye , a part of his soon to be decimated brain noted the zigzag groves on the side of its cylinder , and thought oh dear , its an automatic revolver , ive heard of them , but never actually seen one before , or words to that effect .