Like the title says, were the Leupold Vari-X III 3.5-10x 40mm Tactical scopes ever used on M24 military rifles? I assume these are strictly commercial scopes but I was told by a Special Forces sniper of 19 years that these scopes were supplied by Leupold to replace the fixed 10x scopes sometime around 2004. He told me that this scope was "correct" for the M24 but I have my doubts and can't find any evidence to support that claim. I've never seen any M24 rifles with anything but a fixed 10x scope.
My first USGI "modern" sniper rifle:
My first USGI "modern" sniper rifle: