If the box says 223 on the outside then it will be loaded to 223 specification, regardless of headstamp. Yes 5.56 has a longer throat and higher pressure so a tight chamber 223 could have issues with...
Type: Posts; User: compound
If the box says 223 on the outside then it will be loaded to 223 specification, regardless of headstamp. Yes 5.56 has a longer throat and higher pressure so a tight chamber 223 could have issues with...