Federal HST is an iteration of Federal Hydra-Shok ammo. That is what the HST stands for: Hydra-Shok Technology. Yet the first “generation” (for lack of a better word) of Federal Hydra-Shok has a center post in the middle of the bullet’s hollow. HST does not. What is the reason for […]

If you look at some hollow point ammunition, like Federal Hydra-Shok, you will see that though the bullet is indeed hollow at the point, there is a raised center post in the middle of the depression. Now, compare this to what you might call a more advanced iteration of defensive […]