Why would I do a mag change when it only requires one to finish what I started? Seems like a waste of time and energy to me. I can slap in a round off of my extra round holder in a second without moving off my rifle or scope.
If you can do a mag change in a second, call me.
The use of the extra round is for match purposes when there’s been a reason or issue that makes one drop a round on the ground but they need the extra round to finish the stage.
If you have never had that need, then you wouldn’t understand. I get that. If you have, you understand the need.
For everything else, a mag change is in order. I have three mags on me and use them when the situation is appropriate.
I do compete and played on two way firing ranges. I come from the school of thought that if I need one more round I probably need a full mag but that's a different game. Prs has evolved away from that hence what your referring too. I run an action where there is no single loading unless you push the bullet down into the mag to feed.
You would be surprised how fast you can get at mag changes....