Have shot 410 slugs many years ago and they were not bad. Fast forward 50 some years and shot my hunting partners Remington 12ga. 870 with a Hastings slug barrel using Hastings 3 inch slugs. that thing rocked my world and I said I would keep using a Muzzle loader when hunting in his neck of the woods.
Since then I did buy a Remington 870 20ga slug gun, I shoot 2 3/4 inch buck hammers in it and don't find it unpleasant.

Al