Jims- I took my rem 700 sendero/ krieger 7mm to hunt rocky mtn bighorn . I KNEW i could hit one at 600. i waited 27 years for the tag . i have a 700 titanum and sakos that shoot good and are light , i did not have that confidence though or the time to develop it. since the bighorn , my buddy shot a 223 inch mule deer and an 85 inch antelope ( 590) with it. no doubt your 85 has less runout than my 700's ; my gunsmith never blue prints them. i can't speak about the light rifles and longer range. i have competed out to 1000. my brother uses an 8 twist krieger and i use an 8.5" . i shoot a lot of 123 scenars in my 6.5-284. i am wondering if the 85 comes in 6.5X55 and could just rechamber a factory barrel . i have a lot of confidence in sako factory barrels. ron