FN America FN SS198LF 5.7X28MM 10700021

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.CALIBER: 5.7x28mm BULLET WEIGHT: 27 Grain BULLET STYLE: Jacketed Aluminum Core Hollow Point CASE TYPE: Brass PRIMER: Lead-Free Firearm: Five Seven Pistol Muzzle Velocity: 2216 fps Muzzle Energy: 294 ft-lbs Firearm: PS90 BullPup Muzzle Velocity: 2530 fps Muzzle Energy: 384 ft-lbs