You obviously don't study the old time literature much. The phrase "shooting flying" is common, that's what they called it when it was first being done. The lock time on early guns wasn't fast enough to allow shooting on the wing, but when they developed something that was and began trying it then it was called "shooting flying" hence the title.
Again somebody on here spouting off without any idea of what they're actually talking about. Tell you what Greg, you spend five years working on a gun book then get somebody to pay you to publish it and I'll give you my slightly more educated opinion without talking straight out of my anal orifice like you're doing now.
Destry