What BC are 7mm 160 ETips?

I wonder if a different alloy in the copper being used , could weigh 10 grains more ? If the 160's measure out to the same specs as the 150"s I'd say this is what happened . it just seems like too much R&D , plus machine set up time , to make a 160 bullet on a whim . on second thoughts , maybe expanding the E-Tip line , and it's a new bullet for 2027 ?
 
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