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I have never heard of a .223 that can compete with run of the mill .222's. I do not know why,
except that perhaps most .223 shooters are not BR shooters, or - because the .223 is not being
used in BR contests, yet there are still some hold-outs shooting triple deuces.

Food for thought, though. I know there are guys with specially build AR's who are shooting sub 1/2"
at 100 yards with a variety of ctgs. from .223 to .17 Rem to .204 Rugers, but I have not heard of
.223's that can compete with varmint weight .222's that routinely shoot 1/4" and smaller at 100yards.
Mine still does.

Now, due to it's military use, it is possible the hunting and varmint type rifles chambered in .223 have
military-shaped chambers. What that means is likely attention to throats and lead angles that will increase
barrel life and possibly THOSE differences do not translate into tack-driving accuracy?
So, I don't know.

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You may have hit the answer there, Daryl. It very well may be a matter of the chamber and not so much the round, just as chamber design is the driving force behind the much-vaunted long-range accuracy of a certain very popular round whose name shall not be mentioned....

If that's the case, I'd love to see someone "accurize" the chamber design of the .223 and a die design produced from that, sort of a ".223 BR". It's not so much that the world needs a new cartridge, so much as it's such a shame to let all those truckloads of .223 brass generated by the pew-pew boys go to waste.

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