The bad news is that there's no such thing as "A" good load for the .223.
The good news is that almost ANY load is good in the .223!
I also prefer 50-grain bullets in most .223 uses, but I have one rifle that pukes at anything less than 55. Ya never know...
My favorite 50-gr bullet loads include 24.0 of H322, or 27.0 of W748. Among the newer powders, Ramshot TAC just might be my new favorite powder for the 223. It's in the same burn rate area as 748, but burns even cleaner and is temperature insensitive to boot.
The classic powder for the .223 is H335, but it produces a rock-hard fouling that's really difficult to get out of the barrel. That one aside, almost any powder between 4198 and 4895 will just purr in the .223 - and that's a LOT of powders.
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