James Gates of Dixie slugs will help you any way he can . He is a weath of knowledge when it come to shotgun ammo. Email him with questions
I'm using the bpi 3" multi hulls pre primed and bluedot powder Dixie 20ga terminator slug @1200 f.p.s. I get 2-2.5" groups at 50 yards w/iron sights in a tracker II If that won't kill it I don't need to be shootin' at it

Roy
Kurt I like the gray lams , those nitro cards are still on back order