i use a .243 ruger,winchester12 gauge mag it takes 3 1/2 in. slugs and 4 in. turkey loads (they hurt like hell),12 gauge remington for rabbit,marlin .22,.223 for prairie dogs,and sometimes a browning 20 gauge for trap,but i use my 12 mag now.

.243 remington
12 gauge
.410
.222
.22 LR (single shot almost 100 years old, worlds coolest toy!!!)
and my Grandpa has an M1 that i shoot sometimes

243 wssm-deer,coyotes,p-dogs
22-varmints
2-20 gauges-birds
bow-deer