To quantify I have not shot any deer in that caliber with that projectile.
tho have shot a fair few with 223 and a fair few with ttsxs in 30cal.
The monolithic bullets love/no NEED speed to work well IMHO, they dont fragment and spread shock outward so need speed to deliver shock.
In 30cal at least they out penetrate any other expanding bullet even driven fast, I am yet to recover one including many stags red/wap hybrids they penetrate the full length of the animal.
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