I'm not saying the 30 cal is going anywhere, I'm saying the smaller calibers are making leaps and bounds with bullet BC's and performance.
A 175gr 7mm bullet Hornady ELD-X has a BC of .689, that bullet propelled out of the same size case as that of a 178gr 30 cal ELD-X bullet with a BC of .552 will kick less and hit harder, even with a 220gr bullet the 30 cal is at .663 BC.
The smaller diameter bullets are getting the job done with less recoil, more penetration, and flatter trajectories with modern bullet design, and because of this I think more and more hunters can see you don't need a big bore, unless you enjoy them for what they are, which I totally understand.
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