Tall order in some ways, but (FWIW) a reduced 308 load with a 125gr NBT/AB at 2300-2550, will be enough to 200 and kick and blast less than a 90gr 243 at 3000+..JME. You’re talking 30-30 leverevolution performance,.....if you gotta have one gun. I always figure in muzzle blast with smaller/new shooters, as often it’s as much a factor as recoil, when you actually get to work.