I had a plastic bag of .338 solids, not sure what they were, but they sure worked on buffalo and Hippo and a follow up shot on a wounded elephant, they penetrated like poop thu a goose, In some test I ran the beat the socks off my 375 Ruger and H&H as to penetration...I shot two buffalo with them, One ran 100 yards and bought the farm..the other ran 100 yards and ran, I rolled him up in a ball with two summersaults with my 404 on the follow up..I didn't recover a single bullets they all exited..