The tests compared the relative merits of the 5.7×28mm cartridge and the HK 4.6×30mm cartridge, which was created by German small arms manufacturer Heckler & Koch as a competitor to the 5.7×28mm.
FN FIVE SEVEN SERIES
In 20, NATO conducted a series of tests with the intention of standardizing a PDW cartridge as a replacement for the 9×19mm Parabellum. The 5.7×28mm chambered FN Five-seven pistol then went into production in 1998. Several specialized 5.7×28mm varieties were also developed alongside the SS190, such as the L191 tracer round and the subsonic SB193 bullet for sound-suppressed use.
In 1993, FN introduced a modified version of the P90 with a magazine adapted to use the SS190 cartridge. The shorter length of the SS190 projectile allows it to be more conveniently used in the 5.7×28mm FN Five-seven pistol, which was also being developed at that time. The SS190 uses a 2.7 mm (0.11 in) shorter projectile with a mass of 2.0 g (31 gr), which has, when fired from the P90, a muzzle velocity of roughly 716 m/s (2,350 ft/s Mach 2.1). The 5.7×28mm SS90 cartridge was discontinued, and replaced, in 1993, with the 5.7×28mm SS190. ĥ.7×28mm SS196SR with a quarter and a ruler When fired from the FN P90, the 5.7×28mm SS190 can penetrate the NATO CRISAT vest or a Level IIIA Kevlar vest at a range of 200 m (219 yd). Patent 5,012,743 ("High-Performance Projectile") was received in 1991. A United States patent application for the projectile design used in the SS90 was filed by FN's Jean-Paul Denis and Marc Neuforge in 1989. It used a 1.5 g (23 gr) plastic-core projectile, which was propelled at a muzzle velocity of roughly 850 m/s (2,800 ft/s Mach 2.5) when fired from the P90. The original 5.7×28mm cartridge, called the SS90, was introduced in 1990. FN Herstal responded to the NATO requirement by developing the 5.7×28mm cartridge and two associated weapons: the FN P90 personal defense weapon (PDW) and FN Five-seven pistol. Additionally, it was to be capable of penetrating body armor. According to the NATO requirement, the new cartridge was to have greater range, accuracy, and terminal performance than the 9×19mm cartridge. The 5.7×28mm cartridge was designed in response to NATO requests for a replacement for the 9×19mm Parabellum cartridge. The 5.7×28mm cartridge itself is produced in a number of varieties, two of which-the SS195LF and SS197SR-are currently offered by FN to civilian shooters. Palmetto State Armory introduced its Rock 5.7 pistol in January 2022 it became available for purchase in May 2022. January 2021 saw the announcement by Kel-Tec of the P50 handgun, which uses 50 round P90 magazines. As of December, 2019, Ruger offers its Ruger-57 semi-automatic pistol chambered in this cartridge. Excel Arms has developed four firearms chambered in 5.7×28mm, MasterPiece Arms offers three different firearms in 5.7×28mm., and CMMG offers several of its AR-Style Banshee firearms in 5.7x28. In addition to being used in the FN P90 and FN Five-seven firearms, the 5.7×28mm cartridge has subsequently been used in a number of other weapons, such as the AR-57 and FN PS90 carbines. In the United States, 5.7×28mm firearms are currently used by numerous law enforcement agencies, including the U.S. īy 2006, FN's 5.7×28mm firearms-the P90 PDW and Five-Seven pistol-were in service with military and police forces in over 40 nations throughout the world. The NATO group subsequently recommended the 5.7×28mm cartridge, citing superior performance in testing, but the German delegation objected and the standardization process was halted until 2021 when it was officially adopted as a NATO standard STANAG 4509. The tests compared the relative merits of the 5.7×28mm cartridge and the 4.6×30mm cartridge, which was created by Heckler & Koch as a competitor to the 5.7×28mm. In 20, NATO conducted a series of tests with the intention of standardizing a PDW cartridge as a replacement for the 9×19mm Parabellum cartridge. The 5.7×28mm was developed in conjunction with the FN P90 PDW and FN Five-seven pistol in response to NATO requests for a replacement for the 9×19mm Parabellum cartridge. Unlike many new cartridges, it has no parent case the complete package was developed from scratch by FN. 22 WMR (5.7×27mm) and to some degree similar also to the. and FN 5.7x28mm NATO ) is a small- caliber, high- velocity, smokeless powder, rebated rim, bottlenecked centerfire cartridge designed for handgun and personal defense weapon (PDW) uses manufactured by FN Herstal. The FN 5.7×28mm (designated as the 5.7×28 by the C.I.P. From left to right: SS195LF, SS196SR, and SS197SR.
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