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.45 ACP Hydra-Shok, .45 ACP Hydra-Shok (reduced recoil), 9mm Hydra-Shok.22 LR HP, 9mm Hydra-Shok, 9mm FMJ. Hydra-Shok is a type of hollow-point projectile made by Federal Premium Ammunition. It was originally patented by ammunition designer Tom Burczynski. Hydra-Shok was released in 1988 after the FBI requested a bullet with better terminal ...
In many cases, these loads are not pressure tested, but are tested by firing in particular firearms, then checked for signs of excessive pressure. In some cases, high pressure ammunition is restricted to law enforcement sales, such as Federal's .38 Special +P+ and 9mm Parabellum +P+ Hydra-Shok cartridges. [8]
Hydra-Shok ammunition has a patented center-post design and notched jacket with a non-bonded lead core. Hydra-Shok is designed to provide more reliable expansion and deeper penetration than other hollow-point projectiles used at that time. Federal Premium claims that the scored jacket and center post design provide a "programmed" expansion.
[52] Jim Carmichael, who served as shooting editor for Outdoor Life magazine for 25 years, believes that hydrostatic shock is important to "a more immediate disabling effect" and is a key difference in the performance of .38 Special and .357 Magnum hollow point bullets. [53]
2) The sample +P+ load shown is a 147 grain bullet at 1150 fps. Is this an actual load? The most common 147 grain .38 +P+ loading (and the only commercial one, to my knowledge) is the Federal Premium Hydra-Shok law-enforcement-only load. From memory, that load was in the neighborhood of 950 fps--nowhere near 1150 fps.
In response to continued complaints over ineffectiveness of the standard .38 Special 158-grain cartridge in stopping assailants in numerous armed confrontations during the 1950s and 1960s, ammunition manufacturers began to experiment with higher-pressure (18,500 CUP) loadings of the .38 Special cartridge, known as 38 Special +P (+P or +P+ ...
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Rounds are available from 68-to-300-grain (4.4 to 19.4 g) with a common load being the standard military loading of a 230-grain (15 g) FMJ bullet (for comparison, the most common 9mm load is 115 grains (7.5 g), half the weight). Specialty rounds are available in weights under 100 grains (6.5 g) and over 260 grains (17 g); popular rounds among ...