RE: Best Factory loaded .243 Win.
I use to use Remingtons 100 grain pointed soft point and had good luck The best thing you could do is but differant makes of shells and find the one that your rifle shoots the best. As for bullet weight stay clear of varmint weights. Use a good bullet like the Rem.PSP or any of the other premium bullets. The lighter weight bullets tend to either blow up if you hit a shoulder or dont give enuf penetration on angled shots.