I prefer #4 buck, 27 .22 balls in each 2 3/4" round sitting of Mossberg 500, with the last couple 00 & being slugs.
Plus 10 rounds on good cards outside of Mossberg 500 fitted with sights and weapon light.
So not blast your eardrums out, also along side the scattergun, an AR15 with CMMG .22LR...