I have played around with B&B in my .62 smoothrifle we ahve to use a min. .30 buckshot here for deer with a .600 ball with six shot ontop it will give a good deer killing pattern to 15yds or so with the ball in the center and the shot spread around it all in a paper plate sized area, tie the shot in a pieceof patching and you get a ball hole and a godawful big oblong hole beside it out to 20 yds, not a real practical hunting load, I worked it up for sitting very ( under ten yds) close to trails comming out of dense blackberry thickets near dark in hopes of causeing enough shock and damage to keep the deer from wheeling around and going back in the thick stuff I have not had the shance to test it on a deer yet but I do think it would have some stopping power, it is definately a very close range load for game or a wounded animal could easily be the end result. I have heard others get better patterns with shot that will "stack" by choosing the right size for the bore.