Originally Posted by
sandpacker21
Im new when it comes to reloading the .223 or 5.56. My question is what is the difference? As far as I can tell they both use brass that the measurements are the same.... They use the same diameter bullets with the sectional density being a small bit different.. According to my Hornady book. The only real differince I can see is the 5.56 is loaded a little hotter.... Can anyone help me out?????? Is the brass actully stamped .223 or 5.56 ?
The differences are not in the brass, but in the load (pressures generated etc) and in the chambers used in the guns that shoot 5.56.
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