.... I don't intend on hunting with the gun, rather, I'd carry it while modern rifle hunting. I know, some will say, "why worry about having a handgun that will take down a bear when you have a rifle". Well, my thinking was it may be quicker or as quick as readying a rifle for a shot, and the handgun has much faster and many more follow-up shots than the rifle will offer...Still haven't shot one, so all this may change.
i carry the 20sf while hunting for the reason you are considering.
I was walking to a blind one deer season very early in the morning. The plan was to get there early, take a nap, and be up and aware at dawn. I was trying to switch it up a little, and was headed in deeper and much earlier that I had been. I ran into a bear. Though I had a 30-06 rifle, I instead upholstered my G31. Lucky for me the bear just growled a bit, sized me up for a few seconds, they went the other direction.
I ended up unable to nap and leaving a little earlier that night then I had planned. The thought of that bear keep me very aware and awake. Slightly proud of myself for how quickly and confidently I had the pistol in my hand. Wondering if that was something to be proud of when I had a rifle, clearly the more powerful weapon, in my left hand.
I think it just came down to muscle memory and practice. I really should have had the 30-06 ready, but something else took over. Others raised on a farm with rifles, long gun or 3 gun competitors, perhaps with military training know how to switch to the rifle for SD, even paint ball enthusiasts have that mindset. I have only used a rifle shooting at a range preparing for hunting, in a deer blind, and plinking with a 22.
So I started hunting with a side arm for SD and a sling for the rifle (to use the scoped rifle once at a blind or glassing a field). I ended up purchasing a great "guides choice" holster rig from diamond d for the g20sf. Same year on the way to blind I stumbled onto a deer on the way to my blind. Instead of drawing from the guides choice holstered location, I found my hand reaching for nothing but air on strong side hip. Missed pistol range opportunity in thick trees and brush.
So now I'm back to lugging my rifle to the stand, and as a side arm, outside the hip, carrying the G20sf. I really should just get handier with the rifle, but I hunt a few weeks a year. Hard to fault the SD / quick reaction motion I've developed with drawing from the strong side.
You might find you are hunting more with the G20 than you though, but in certain situations, like when in a blind, will naturally want a rifle.