9 Jun 2022 7:31 pm
“The North Atlantic Treaty Organization (NATO) has officially standardized the 5.7x28 mm caliber, the third cartridge from the engineers at FN to receive the critical designation. The other two from the company, the 5.56 NATO and 7.62 NATO, were accepted and adopted in 1981 and 1957, respectively. Standardization ensures the ammunition is interchangeable—regardless of country of original or manufacturer—and will provide operational efficiency in identically chambered firearms.”