SST's are fragile, on the order of varmint bullets. You won't be happy with results on deer with them at those speeds. I have tried them, I went with the Barnes after a couple of less than happy experiences. I shoot a Creedmoor, nothing like the speeds you hit.
I use them in my 260 and they will kill for sure. But if a blood trail is what you want look elsewhere. Massive internal but very little external for blood trail.
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