Originally Posted by mtls44555
Hello, I am new to reloading my own rounds and I have this book that gives me all of the information on how to do so. It does not how ever tell me the measurements the 5.56x45mm, can i use the 223 Remington measurements ? Are they the exact same and is it safe to use that type of ammo in my (Stag)AR-15?
Any help would be appreciated.
Second, what do you mean by "measurements" ?
The 223 Rem and the 5.56 are identical as far as the handloader is concerned, only the lead/throat in the rifle chambers differ. You use 223 dies and 223 loading data.