Depends what your expectations are.
I can confirm ppu 308 bullets are crapola at 1000 yards.
The PPU 69 and 75 gn 223 match bullets seem to work reasonably well.
I have tried the 6.5 120gn match bullets and they were bleeding awful at 600yds.
If you are okay with 5 moa at 100 yards any ppu/s&b bullet will be fine.
Similarly if you are shooting fig 11 on an etr range.
I much prefer to use Lapua scenars bought in 1k boxes.
69 scenars worked out about £28 a 100 and 155 scenars about £36 a 100.
But I do shoot 600/800/900/1000 regularly so expect some success.
The old mantra of " quality bullet through a quality barrel " very much holds true for me!