I had a Tasco 3-9x40 that was on 7mm Mag for hunting out to 300 yards. It was fine when I was 19yoa, but not at 40yoa. I upgraded to 4-14x42mm and am comfortable out to 500 yards.
I ran the 4-14 on my .223 AR for 100 yards and 200 yards shooting. 200 yards was iffy at 40yoa. I got the 8-32x for target shooting the AR.
World champion F T/R (1000 yards) won with a Leupold 8-25x VX3 scope.
March scopes is coming out with 8-80x scope this year. Leoupold, Nightforce and Schmidt & Bender have scopes at 45x.
When all is said and done, there is a lot more said than done.