3/9/2023 0 Comments 38 special vs 9mm![]() There’s often some confusion over the specifications of the 5.7x28mm cartridge. For example, more than 40 nations use it as their standard duty round for law enforcement or military service, and here in the United States, the Secret Service uses it. And while the cartridge didn’t exactly replace 9mm, it’s used by a lot of professionals. Over the years, numerous 5.7x28mm rounds have been developed by FN for use by the general public. As a result, the Bureau of Alcohol, Tobacco, Firearms and Explosives classified SS190 as an armor-piercing (AP) round, and FN restricts sales to law enforcement and military only. In addition, testing carried out by the Houston Police Department proved the SS190 can penetrate barriers such as vehicle doors. This is relevant because Level IIIA body armor is rated for protection against handgun cartridges such as. The SS90 was fine-tuned, resulting in the SS190 Full Metal Jacket (FMJ), a higher-performing duty round.Īccording to FN, the SS190 FMJ is a 31-grain round capable of penetrating both the NATO CRISAT (Critical Research Into Small Arms Technology) body armor and a Level IIIA Kevlar vest. FN filed for a United States patent in 1989, and it was finally approved in 1991. The cartridge was capable of higher velocities fired from the P90 thanks to its longer barrel, but it did well in both platforms. Two guns were designed by FN to run their newest addition: the FN Five-seveN and the FN P90, a personal defense weapon (PDW). Loaded with a 23-grain projectile, it produced a muzzle velocity of 2800 feet per second. FN’s first attempt was the SS90, which was an early version of the cartridge known today as the 5.7x28mm.įN’s SS90 delivered as hoped. The newcomers needed to provide improved accuracy, greater range, and terminal performance beyond what the 9mm was providing. At the time, NATO was considering replacing 9mm and had opened competitive trials to several manufacturers.ĭuring the testing and trials for a new standardized cartridge, NATO had a few requirements. It was created by FN Herstal as part of the North Atlantic Treaty Organization (NATO) Personal Defense Weapon (PDW) trials. The 5.7x28mm was designed in the late 1980s and officially introduced to the market in 1990. Interested in learning more about a round that’s frequently considered a “boutique” choice? Trying to decide between 5.7x28mm and 9mm? You’ve come to the right place. The 5.7x28mm is a newer cartridge by gun industry standards, but it’s done a lot to prove itself. Odds are, you don’t immediately think of 5.7x28mm, despite its capabilities-and it might be time to change that. If there’s one cartridge that comes to mind for personal defense use, it’s probably 9mm (9x19mm Parabellum).
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