So your saying that a 300 WIN mag will produce faster kills because it does less damage to meat??? That doesn't make sense.. A bullet does not know the difference between meat and internal organs.. True some bullets expand faster and different than others. But my point is it does not have anything to do with the caliber it has to do with weight and construction of the bullet. A .300 WIN Mag with a 180 Grain PSP won't kill any faster than .308 with a 180 Grain PSP. There is only a couple hundredFPSdifference in velocity of these 2 rounds.