RE: slug rifle
I'd guess you do mean slug shotgun.
A Browning bolt action is really good, but you'll have to find a used one and they are expensive. Same goes for Savage 210, but not quite as expensive.I like my Marlin Model 512, it shoots just fine to 100 yds. They are also no longer made.
There will be many that say Mossberg 500 and Remington 870.
Just looked on Savage's website, they do still make their 210 Slug Warrior.