Between my dad and I in SA last year, we recovered 2 bullets. Both were Barnes TTSX, 1 from my 35 Whelen and the other from his 375 H&H. We put 7, 175gr Barnes LRX from my 300WM @ 3,200 fps MV through 6 animals and never recovered any.
35 Whelen
200gr Barnes TTSX
2810 muzzle velocity
150 yards
Waterbuck
Straight into the chest
Bullet was found near scrotum with 1 pedal broken off.
Never weighed it, but I can tonight.