I did for a buddy a few years ago (not in the last year). They were 150 Partitions/Federal/24" barrel.
Average about 2750 to 2800 fps.
He cleanly killed 2 black bears with single shots over bait: a 200+ lb at 35 yds, and a 400 lb at 65 yds. They each traveled about 25 yds and were done.
Bob
www.bigbores.ca