FN USA SS198LF 5.7x28mm 27 Grain Jacketed Aluminum Core Hollow Point ammo is a high-performance 5.7x28mm load built for shooters who want speed, precision, and FN factory quality. If you are running a firearm chambered in 5.7x28mm, this is one of those loads that stands out because it is lightweight, fast, and designed specifically around the unique performance of the 5.7 cartridge. The SS198LF features a 27 grain jacketed aluminum core hollow point bullet with a green tip for easy identification. This lightweight projectile is designed for high velocity, helping deliver the flat-shooting feel and low-recoil performance that 5.7x28mm shooters appreciate. It is a great fit for range use, training, duty-style applications where legally permitted, and anyone who wants premium FN 5.7x28mm ammunition. This load also uses a brass case and lead-free primer, making it a cleaner option for shooters who spend time at indoor ranges or who prefer lead-free ammunition when available. FN designed the SS198LF as a non-toxic cartridge, pairing the lead-free primer with an aluminum core projectile for reduced lead exposure compared to traditional ammunition. If you own an FN Five-seveN, FN PS90, Ruger-57, Smith & Wesson M&P 5.7, PSA Rock, or another firearm chambered in 5.7x28mm, FN SS198LF is a smart option to consider. It gives you the speed and lightweight bullet design that make the 5.7x28mm cartridge so interesting, backed by the company that helped make the caliber famous in the first place. Key Features: Manufacturer: FN USA Model: SS198LF Caliber: 5.7x28mm Bullet Weight: 27 Grain Bullet Type: Jacketed Aluminum Core Hollow Point Tip Color: Green Tip Case Type: Brass Primer: Lead-Free Cartridge Type: Non-Toxic Muzzle Velocity: 2,216 fps from FN Five-seveN pistol Muzzle Energy: 294 ft-lbs from FN Five-seveN pistol PS90 Velocity: 2,530 fps PS90 Energy: 384 ft-lbs Best Use: 5.7x28mm range shooting, training, duty-style use where permitted, and premium 5.7 ammo buyers FN SS198LF 5.7x28mm is a great choice if you want a fast, lightweight, lead-free 5.7 load with FN factory specs and proven performance. It is premium 5.7 ammo that feels purpose-built for the cartridge, and that is exactly what makes it appealing.