You got me off the pistol grip right off. I wasn’t sold on it, anyway, just curious. I have two rifles and have had rifles since the age of 12 and have more handguns. It’s shotguns I have almost no experience with.
Just bear in mind that the heavier the payload in your shotgun and the more powder, the greater the recoil will be.
3” magnum 00 buck can really suck for the shooter on a pump action gun.
On a semi auto were some of the blast is directed into cycling the action it is manageable (with a stock).
Semi autos can be more finicky than a good ol pump but I am more than pleased with the saiga as a defense shotgun(its like the revolver vs semi argument)
I also like that I can disarm the saiga by just removing the mag