I guess I’m in the “It’s the Indian not the bow” camp.I have in the past done a fair bit of competitive shooting. From years of actual shooting/competing and practicing, the best approaches I found to creating muscle memory to simulate actual competition were a combination of visualization AND dry fire practice.
Dry fire practice alone is a great way to 'learn' a movement. In fact loading a shotgun on the clock was something I struggled with, my eyes were slowing me down. For nearly a year, I was between 1.5 and 2 seconds / shot (really poor). A very good (world class) shooter told me my eyes were slowing me down and to start practicing in the dark. It helped me get past a major plateau in my speed. After a few months of practicing in the dark, I was able to on occasion break the 1 second/shot speed. The final step was to visualize a specific situation (like competing in a large event) and then doing my dry fire practice after visualizing a specific situation.
This approach might help someone load 'faster'. But the original question was can you reload a single shot fast enought for DG. I'd bet that I could get as fast with a single shot rifle as most hunters are with a bolt action. But I'd never get as fast with a single shot as I can be with a bolt action, so I wouldn't handicap myself. And I'd never be as error-proof, handling shells with sweaty hands in the heat on a hillside with poor footing, not a risk I'd want to take.
That's just me.
AJ
After watching AJ’s cowboy action shooting video. And how fast he can load and shoot accurately. I’m wagering he would be faster and more accurate with a single shot than 99% of the DG hunters I watch on Safari Classics tv. This is Africa and Untamed tv shows.
If I had a classic fine single action in a capable caliber. And felt proficient in loading it. And trusted my PH. Yes I would use it.
But just as a DR with iron sights may restrict the type of shots possible. The single shot would possibly restrict shot opportunities more.
watching DG hunting shows. It’s apparent that most Nimrods do not prepare properly. And would be unprepared no matter the weapon carried.
I’m sure if you asked most PH’s they would rather take a competent guy with a single shot than an incompetent with a belt fed anti-aircraft cannon.

