Description
The FN SS198LF stands out as a high-performance, lead-free option that delivers the speed the 5.7x28mm caliber is known for. Loaded with a 27-grain hollow point projectile featuring an aluminum core and brass jacket, this round generates impressive velocity while maintaining minimal recoil. The distinctive green tip makes identification quick and easy, while the lead-free primer and projectile composition makes it suitable for indoor range environments where lead-free requirements apply.
What Makes the SS198LF Different
This load propels the same projectile as FN's SS195LF but at roughly 100 feet per second higher velocity, delivering more pronounced terminal performance. The hollow point design ensures controlled expansion on impact, while the lightweight 27-grain bullet achieves a flat trajectory compared to heavier alternatives. The combination of velocity and bullet construction creates reliable feeding across compatible firearms while maintaining consistency from shot to shot.
Compatibility and Application
The SS198LF works flawlessly in FN Five-seveN pistols, PS90 carbines, and other 5.7x28mm platforms. From shorter pistol barrels to longer carbine configurations, this round adapts well to different firing platforms. The hyper-velocity performance of the 5.7x28mm caliber—reaching speeds well over 2,000 fps depending on barrel length—gives this ammunition its distinctive ballistic characteristics and effective range advantage over traditional handgun rounds.
Manufacturing Quality
Manufactured by FN Herstal in Belgium, each box contains 50 rounds in factory packaging. The ammunition is new production, non-corrosive, and loaded in reloadable brass cases. The consistent quality you'd expect from FN's ammunition lineup translates to reliable function and repeatability at the range or in practical applications.
Key Specifications
- Caliber: 5.7x28mm
- Bullet Weight: 27 grains
- Bullet Type: Jacketed Hollow Point (JHP)
- Projectile Core: Aluminum core with brass jacket
- Primer: Lead-free, boxer primed
- Case Type: Reloadable brass
- Muzzle Velocity: 2,216 fps (Five-seveN pistol); varies with barrel length
- Rounds Per Box: 50
- Tip Color: Green (for easy identification)
- Manufacturer: FN Herstal (Belgium)
- Manufacturer Part Number: 10700020
- UPC: 818513006071
- Condition: Factory new, non-corrosive
What’s Included
- 50 rounds of FN SS198LF 5.7x28mm ammunition
- Factory packaging
Frequently Asked Questions
Will the SS198LF ammunition work in all 5.7x28mm firearms?
Yes, the SS198LF is fully compatible with FN Five-seveN pistols, PS90 carbines, and other 5.7x28mm platforms. However, barrel length affects muzzle velocity and energy. The published velocity of 2,216 fps is based on testing from a Four-inch barrel, so you may see slightly different performance depending on your specific firearm.
What makes this FN lead-free ammunition different from other 5.7x28mm options?
The SS198LF delivers higher velocity than FN's standard SS195LF load while maintaining the same lead-free construction. The aluminum-core hollow point with brass jacket provides controlled expansion, making it suitable for both range training and defensive applications. The green tip aids quick identification in mixed ammunition scenarios.
Is the SS198LF suitable for indoor range use?
Absolutely. The completely lead-free primer and projectile design makes this round ideal for indoor ranges with lead-free restrictions or air quality mandates. It cycles reliably and functions consistently without compromising performance.
How does the 27-grain bullet compare to heavier 5.7x28mm loads?
The 27-grain projectile is on the lighter side for the caliber, which means it achieves higher velocity and flatter trajectory. This results in less recoil and faster follow-up shots compared to heavier 40-grain alternatives. The trade-off is somewhat reduced penetration, though the hollow point design compensates with controlled expansion.




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