Here's a post on there about the 270 grain LRX used on PG. There's some other on a Barnes recovered from an eland, I think he 270 TSX, and plenty on the Barnes.
https://www.africahunting.com/threads/bullet-performance-database.37971/#post-468919
Took 5 head of game last week, great performance of the load/bullet. This is the only recovered slug, from a zebra shot quartering on, recovered under skin of back hindquarter Barnes LRX 270gr @ 2850 FPS .375 Weatherby Retained weight 268.1gr Max diameter 0.70” Range to animal ~180 yards Bullet entered inside front shoulder passing through vitals, gut, rear quarter, animal ran ~50 yards and fell dead.