Have a couple cooper 92 backcountry. 300 wm and a 280 ai. That I have been working with. While I have gotten both to shoot well at a 100 yards I have not shot at distance yet. They are both nice rifles and am hoping I can shoot them decent out to 500-700 yards. Good luck
I’ve got a M52 Timberline in 300 WM, and a M22 Raptor in 6.5 CM. Both are well built and shoot 0.5 moa or better. My longest shot on an elk so far is 550 yards, deer is 415. Both were with factory ammunition. I’d feel confident hunting with the 300 out to at least 800 yards, maybe more as I shoot more at longer distances.