It is a direct rival to the FN P90, also developed in response to NATO's requirement. It was designed with the new cartridge to meet NATO requirements published in 1989, as these requirements call for a personal defense weapon (PDW) class firearm, with a greater ability to penetrate body armor than current weapons limited to conventional pistol cartridges. 'The Heckler & Koch MP7 (Machine Pistol 7) is a German Personal Defence Weapon (PDW) designed and manufactured by Heckler & Koch (H&K) and chambered for the HK 4.6×30mm cartridge. Some other models have been adopted to a lesser extent, namely the M11 pistol, and other models remain in use in certain niches.' - Wikipediaĩ Rounds 9×19mm Parabellum/ Various ammo Type military, beating many other contenders, and only narrowly defeating the SIG P226 for cost reasons. The M9 won a competition in the 1980s to replace the M1911A1 as the primary sidearm of the U.S. It is essentially a military specification Beretta 92FS. 'The Beretta M9, officially the Pistol, Semiautomatic, 9mm, M9, is a 9×19mm Parabellum pistol adopted by the United States Armed Forces in 1985.

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