For sure the super premium bullets have been some what of a game changer for some calibers. The .223 is not one of them in my opinion and I believe any serious big game caliber starts with a 6.5 or larger bullet diameter and a case that holds as much powder as .308 Winchester. But, others feel differently and drawing a line in the sand is like trying to tell some one how far they should shoot.
So, if you don’t have experience with it, how would you know the 223 isn’t a big game cartridge?
I guarantee you that if you load a 77gr Sierra Tipped Matchking in the 223 and put it into the front half of a game animal you are not going to say “too small”. Probably you’ll say “too fuggin much”.
I just can not understand someone having a position on something not working when they don’t hav experience with it.