Why do they say 30 ought 6
It remained in use until the late 1970s.The reason for this is a rebracketing, whereby a nought and a naught have been misheard as an ought and an aught.If you've used shotguns, you must have heard the word aught when referring to.The rule applies even with convoluted calibers like the 7.62x39mm.Why do some people get out of their prams when a bullet is called a head, everybody knows what it is and nobody (except prince charles maybe) speaks the queens english properly.Used to indicate something that is probable.
Discussion on the texags outdoors forum.