Depends on what SPECIFICALLY you mean by "Maxed out my 260". That cartridge will easily do a mile.
I regularly shoot to a mile with both a 308, and a Creedmoor. Just need a scope/base that will allow you the adjustment.
My Creed wears a Primary Arms 4-14, and Painless wears a Weaver 3-15(#800363).
Personally from what I've seen shooting against most in this neck of the woods, is people don't know their ballistics worth a hoot. Then there is the issue of people tending to use bullets with a Sexy-sounding BC... Many of those bullets will NOT survive the trans-sonic crossing, with the pointy end in the correct direction. Dr. McCoy wrote a book on that very subject, but a VERY general cliff note version goes like this.
About a 9 degree boat tail angle is the best compromise for both good BC & survival. But if you have an Ogive that is too long, you run into a Center of Gravity/Center of Pressure that is off ballance. So when the turbulance hits, the over-turning moment is too great and the bullet flops ends.
All that said, by all means, your wife is correct. You DO need a new rifle :D But what you want we can't say, only you.
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