The M24 is better than the SR25, as it is much more accurate and is much more reliable. However, it is a tricky sniper rifle to wield. The reason being, well, it's a 2hit kill bolt action. It takes skill, practice and class to pull off using this gun. However, with a little practice, you can master this sniper, and get headshots every time. However, that's really the only reason to pull out this sniper rifle. It's a headshot machine. It otherwise takes far too long to kill someone. Therefore, if you don't play CA frequently, or if you want something with a high accuracy and a much more potent rifle, go with the SR-25. You'll just have to pump 2 bullets into your enemy's chest, which is easy because it's semiauto and you don't have to rezoom your scope. Remember, if you ain't aiming for the head, don't buy the M24.