No, there are several sizes and weights, but I like 300g because they shoot thru a deer. The hollow points have little bearing on accuracy, really it is twist of the rifle and shooting at the right speed to stabalize the bullet. They shoot well out of most MLers with a good tight sabot, that puts some twist/spin to the bullet. I shoot them with 80g of Goex out of my FL and have shot them with 100g of loose out of my Omega with a Crushed rib sabot (my favorite sabot). Chap