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My DB15 is 5.56 NATO but can also shoot .223 rounds but it's said that 5.56 is loaded under more pressure and that gives it an edge on power. But shopping for hunting ammo I see more choices for .223 than 5.56. what's the reason for that? Is it better to use .223 ammo?
Millions of .223/5.56 rounds are fired interchangeably every year without a hiccup.
The 5.56 may have higher pressures, but most, if not all factory loads you find in that are FMJ's.
You find lots of FMJ's in .223 also, but the .223 is where you find all the hunting bullets.
