rbernie
Contributing Member
I know that the 5.56 NATO round is cut a little fuller (sorta the Docker's version of 223), and the conventional wisdom says that it's OK to run 223 in a 5.56 chamber but not vice versa.
But if the 5.56 round will chamber OK in a 223 rifle - why would it be bad juju to run it?
But if the 5.56 round will chamber OK in a 223 rifle - why would it be bad juju to run it?