AR-15 .223 vs Mil-Spec 5.56mm Chambers

Discussion in 'Long Guns' started by whitewolf68, March 19, 2014.

  1. Very interesting, Wolf, i never knew that. I learn something new every day on this site.:flag:
     
  2. I knew about 5.56 being a hotter load and .223 being a slightly smaller diameter. But Other than burning out the rifling in your barrel and eroding the throat I didn't know shooting 5.56 through a .223 could have such serious consequences. Good info to know!
     

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