New FN 5.7x28mm Ammunition Available Now

FN America, LLC, the creator of the 5.7x28mm cartridge, is pleased to announce the release of two new options to customers who own 5.7-chambered firearms – FN DFNS™ for personal protection and FN GUNR™ for training and range use.

FN now offers a total of four 5.7 loads available to the U.S. consumer market with offerings ranging from training, sport shooting, small game hunting and personal defense.

“Since the NATO standardization of 5.7x28mm, there has been tremendous growth in the category and we recognized the need for reliable defensive ammunition and affordable ball ammunition for training, which is why we’re pleased to introduce the FN DFNS personal protection and FN GUNR training loads,” said Chris Cole, Vice President of Sales for FN America, LLC. “FN has spent many years perfecting the design and manufacturing process for 5.7x28mm ammunition to ensure that no matter which FN 5.7 cartridge you load, it will function reliably and deliver the superior accuracy that 5.7 is known for. Our customers and 5.7 enthusiasts alike can depend on FN DFNS and GUNR to deliver equally against that promise.”

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FN DFNS (SS200) is the first 5.7x28mm ammunition perfected for personal protection and delivers safe, reliable performance. FN DFNS is capable of achieving an average of approximately 2,067 feet-per-second while delivering approximately 286 foot-pounds of energy from the muzzle. The unique 30-grain jacketed hollow point bullet contains a copper-tin powdered core designed to expend energy quickly and efficiently while cycling reliably. DFNS has been certified by independent testing to meet the FBI’s ammunition testing protocol to ensure that this high-performance round delivers accuracy and consistent expansion.



The all-new FN GUNR (SS201) 5.7x28mm training round puts new training targets in reach for 5.7 owners. The 40-grain full metal jacketed cartridge features a high-quality brass construction with boxer primer and is designed to achieve an average of 1870 feet-per-second. The FN GUNR delivers extremely low felt recoil, improved accuracy at extended ranges and reliable feeding across all 5.7-chambered firearms and is considered comparable in performance to FN’s other sporting loads.

FN 5.7x28mm ammunition is now available in 50-round individual boxes or 500-round bulk pack cases and new retail packaging for FN’s legacy rounds will be introduced in the coming year.


More than 30 Years of FN 5.7x28mm

For the last three decades, FN has perfected the design and manufacturing of 5.7x28mm ammunition. Only the highest quality brass, projectiles and primers are used along with proprietary coating techniques applied during the loading process. Adherence to these requirements ensures that each cartridge performs reliably and safely under the extreme pressures generated by the round.

The development of the 5.7x28mm cartridge and FN P90® began in the late 1980s in anticipation of a potential NATO PDW contract that would eventually be called Project 90. By the 1990s, FN was well underway with sales of its P90, already in service internationally. The FN Five-seveN® was developed in the mid to late 1990s and would see service worldwide later that decade with the original FN Five-seveN DAO along with its CIP-standardized ammunition. It, along with its PS90 carbine counterpart, were introduced to the U.S. commercial market in the mid-2000s. NATO standardized the caliber in 2021 and since, the category has continued to flourish with the introduction of the FN Five-seveN MRD optics-ready model in 2022.

To learn more about FN 5.7x28mm ammunition and the firearms designed around the caliber, please visit

About FN America

Carry the Future® | FN America, LLC, the U.S. subsidiary of Belgium-based FN Herstal, S.A. provides U.S. military, law enforcement, and commercial customers with a complete range of state-of-the-art, groundbreaking solutions developed around small caliber firearms and associated ammunition under the FN brand name.

FN Herstal is the Defense & Security entity of Herstal Group that also includes a Hunting & Sports Shooting entity (Browning and Winchester Firearms* brand names) and operates globally.

FN product lines include portable firearms, less lethal systems, integrated weapon systems for air, land, and sea applications, remote weapon stations, small-caliber ammunition, as well as modern and cutting-edge solutions to provide enhanced combat, logistics, maintenance, and communication capabilities.

In addition to FN America – headquartered in McLean, VA, with manufacturing operations in Columbia, SC –, FN Herstal is the parent company of FNH UK in the UK and Noptel (optoelectronics) in Finland.

For more information on FN’s latest products, visit us at or follow us on Facebook, Twitter, and Instagram.FN America

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