Nope,chlinstructor the 6mm Rem is a 7x57 necked down to .243" caliber. The .220 Swift is a 6mm Lee Navy necked down to .224" caliber. Yep. You jogged my old memory. It was the .220 Swift based on the 6mm Lee Navy case.
"Allways speak the truth and you will never have to remember what you said before..." Sam Houston
Texans, "We say Grace, We Say Mam, If You Don't Like it, We Don't Give a Damn!"
~Molɔ̀ːn Labé Skýla~
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