EXACTLY RIGHT! BOTH THE LOTT AND THE FATHER OF THIS CONCEPT, THE 450 WATTS WERE WILDCATS MADE FROM BLOWING OUT 375 BRASS AND SHORTENING IT ABOUT 1/3".

I don't see where anyone would need to worry about a headstamp. If you can't tell a 458 from a 375 at a glance, stay with a 22 L.R.