They also talk about carrying a knife and flash light. Thats just WAY over the top for my life style. I go to school in the morning, and work at a private school during the day/night.
There are knives and lights small enough that one of each, together, would take up no more room than a Zippo. Heck, there's a Swiss Army Knife WITH a built-in light!~
If I can't get to my primary for whatever reason, I can get to my alternate (perhaps a better term than "back up"). The odds of either of my revolvers malfunctioning are slim, but I can draw the second one faster than I can reload.
If I am behind suitable cover, I hope I have the presence of mind to simply reload. Otherwise, I agree.
I also had an offender laugh at me when he saw me remove my ankle gun and place it in a gun locker, prior to entering the lockup. He could not believe that I was "that" paranoid of a cop.
....I was a small arms repairman instructor at Aberdeen Proving Ground in Maryland, in the U.S. Army many.....many years ago.
TAKJR
I will chide you as a former LEO, LOL. Please try and secure hidden guns outside the sight of offenders. Trunk of the squad, maybe? Unload and put in the map-pocket, or center console? I realize that many know about BUGs/Hideouts, but not ALL do....
I believe I cycled through my 45B AIT in early 1988. Any shot you were there?
Remember that someone will ALWAYS be watching or listening...rehearse what you will say to a possible suspect ("Please, I really don't want any trouble" sounds way better coming from a witness than "get lost, asswipe").
Gotta LOL at that. BUT! I think the first statement will likely inspire a miscreant to probe you more, thinking you may be a soft target. I've taken to a firm/loud "I can't help you", or "I'm NOT interested" when anyone remotely raising my alert-level approaches me. IOW, I'm not going to be a mean ogre to the Girl Scout hawking cookies in front of the grocery store.
I carry one primarily in case of the failure of, or somehow being disarmed of, my primary gun(PG).
Have you considered what you would DO, with your PG if you went for your BUG as a 'reload'? Would you holster it empty, or stick it in your waist or pocket? Toss it down? IMO, that amount of time could be used to reload it. Afterall, the PG is the one you should be carrying spare ammo for. Do you carry your BUG to be truly fast and accessible? IOW, like twin belt or shoulder rigs, or in the weak-side front pocket? IMO, ankle, bellyband or vest strap carry will come up short vs. a reload. However, it can work well as the Alternate Gun (AG).
Let's say you just ditch your PG and go for the BUG. You've ran your PG dry, which is already a serious situation. Why give up the gun you most likely carry a reload for to grab one(very likely to be) smaller in both size and power and incompatible with the reload for your PG? Even if you are super-high-speed, and carry a reload for your BUG, you are still giving up the accuracy, power and familiarity of your PG.
In revolvers, an excellent battery is a Ruger Six series with .357, backed by a M12 K-frame, and a D-frame Colt (if you want a 3rd gun). K-loaders with .38s, obviously. They WILL work with the Ruger with most .38 loads, but NOT the longer Mag cartridges.