Nt7332? Thats a 10 shot 100 yard group from a 300 Norma? Is that a bench gun? Cuz thats impressive and you should have a world championship group at 1000! I disagree with those who recommend a 308 as a starter rifle for long range. Thats a waste of money and time. I hate to recommend the creedmore, but if you reload thats fine for paper out to 1000. If you want to knock s&%t over a 300 win mag or 7mm mag is better. Depends on the "game", paper or game! I still like a 6mm, 243 for varmints to deer or maybe bigger as an all around gun. If you know your distance to the target, Any reasonable cartridge (with enough energy at the intended distance) will work. If you dont know the distance, well, speed kills!