Shelton, Connecticut– August 2024— The Sporting Arms and Ammunition Manufacturers’ Institute, Inc., (SAAMI), has announced the acceptance of the 5.7 X 28 FN centerfire pistol and revolver cartridge.
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SAAMI is the organization at the forefront of promoting firearm safety by creating standards that ensure the safety, reliability, and interchangeability of firearms, ammunition, and components.
5.7 X 28 FN – The 5.7 FN, originally designed by FN Herstal, S.A., was proposed for standardization by SAAMI Voting Member Fiocchi of America, in partnership with FN America, LLC. The cartridge features a 40-grain bullet traveling at a velocity of 1,750 fps from a 5-inch test barrel and a Maximum Average Pressure (“MAP”) of 48,500 psi.
For further information, including performance data and cartridge and chamber dimensions on this new cartridge please visit https://saami.org/technical-information/cartridge-chamber-drawings/.
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