I feel the newer Hornady DGX Bonded bullets are getting a bum rap, yes their old DGX bullets had some issues.
I've had great luck with the new Hornady DGX Bonded bullets, I just returned from a 32 Australian buffalo hunt where my son and I used 300 grain .375 Barnes TSX and 400 grain .416 Hornady DGX Bonded ammunition. I feel 32 animals gives us a reasonable sample to be able to comment.
The Hornady performed magnificently. Here are a couple of recovered rounds of TSX and Hornady DGX Bonded bullets that were found just under the skin on the other side of the animals:
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As far as the need for solids go, I have not shot anything yet where I felt solids were needed, I do think I might shoot solids for Elephant and maybe Hippo.
Photo notes - Top of second photo is a Woodleigh .450 RNSP, wow what impact on a buffalo, it was the guides gun.
The smaller bullet is a .308 TSX 150 grain. The TSX are 300 gn .375. The Hornady DGX Bonded are 400 gn .416 fired from a 500/416 NE.