I remember some one( some gun writer... no I don't remember who) once said. If you didn't fix the prob with the 1st 5, your not going to fix it with the next 5 or something to that effect. if I was going to carry a reload, it would be in a speed loader, from a pouch.
That sounds like Walt Rauch, one of Michael's buddies. That might be true if you face only one opponent. Maybe.
Not being psychic, I don't know how many rounds I will need, so I prepare for the worst and assume more than one guy trying to punch my ticket. I carry a snubby every day at work as a backup gun, and have one speed strip reload for it. (Two spare magazines for my primary.) On those occassions when the snubby is the only gun I'm carrying, I carry two reloads.
(http://i204.photobucket.com/albums/bb294/pioneer461/police.png)