I am curious to know what evidence you have of them not expanding? Have you recovered a bullet or are you judging them on the terminal damage and exit wound? Where were the animals hit?
I have shot several mature reds sub 150m, closest about 60m, with the 143 grain 6mm and 178 grain 308 ELD-X. Whilst these are not exactly the same as yours they sure as shit expanded. I've got some photos at home of bullets I've recovered from the animal or the bank behind the animal, at close range they open right up and fragment of the top half of the bullet. I think @Mooseman has some photos of carcasses hit at close range by ELD-X?
It is interesting though that you are commenting about the 7 mm because there was someone else on here who was complaining of the same thing, also out of a 7mm Rem Mag if I remember correctly.
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