You are correct. I reload for my sons 7mm08 and my 7x57. Due to short throat the 08 I load 140 grains but my 7x57 really likes the 175 grain round nosed bullets.I have 40+ years experience with the 7x57 and none with the 7mm-08. That said, I have always had the impression, perhaps wrong, that the 7x57 was a better fit for the heavier bullets (175 gr), due to c.o.l. limitations with the 7mm-08.