FN SS197SR 5.7X28MM 40GR 50/500

FN America SS197SR, 5.7X28MM, 40 Grains, V-Max, 50 Round Box 10700016

The FN-designed 5.7x28mm caliber standardized in 2020 by NATO was originally designed in the late 1980s for use with the military issued FN P90 and FN Five-seveN pistol. With three decades of trusted use the FN 5.7x28mm drastically improves range accuracy and terminal performance from small arms with the hyper velocity bottleneck pistol cartridge.