Quick Look
The FN 5.7 originated in the late 1990s as a lightweight pistol and carbine chambered in 5.7x28mm, designed by FN Herstal. Its design focuses on low recoil and high capacity, appealing to personal defense and tactical markets. Today, it maintains popularity among law enforcement and civilian enthusiasts for its unique caliber and performance.
Why It's a Top Choice
- High-capacity magazines for extended shooting
- Low recoil enhances rapid follow-up shots
- Innovative 5.7x28mm cartridge for armor penetration
- Modular design fits both pistols and carbines
- Strong aftermarket support and accessories
Key Variants
FN 5.7 Pistol
Compact and lightweight, ideal for concealed carry and personal defense.
FN 5.7 Tactical
Equipped with optics-ready slide, perfect for duty and tactical applications.
FN 5.7 USG
Standard military model favored for reliability and ergonomics.
Competitor Comparison Table
| Feature | Fn 5.7 | Glock 17 | Sig Sauer P320 |
|---|---|---|---|
| MSRP | $900–$1200 | $500–$700 | $600–$700 |
| Capacity/Size | 20-round mag, compact design | 17-round mag, full size | 17-round mag, modular frame |
| Weight | 1.4 lbs (pistol) | 1.5 lbs (empty) | 1.7 lbs (empty) |
| Optics-ready | Yes (Tactical model) | Yes (MOS version) | Yes (standard modular design) |
| Trigger Type | Single-action | Striker-fired | Striker-fired |
| Notable Pro | Unique low-recoil 5.7x28mm round | Proven reliability and low cost | Modular versatility and ergonomics |
| Notable Con | Ammo availability and cost | Bulkier size for some users | Slightly heavier frame |
Best Use Cases
- Personal defense and concealed carry
- Law enforcement and tactical duty
- Range practice for low recoil control
- Specialized competition shooting
- Unique caliber collection piece
FAQs
Can I use standard 9mm ammunition in the FN 5.7?
No, the FN 5.7 is chambered exclusively for 5.7x28mm cartridges, which differ significantly from 9mm rounds.
What is the typical magazine capacity of the FN 5.7 pistol?
Standard magazines hold 20 rounds, providing high capacity in a compact format.
How does the FN 5.7's recoil compare to similar pistols?
The 5.7x28mm cartridge produces noticeably lower recoil than traditional 9mm pistols, aiding faster follow-up shots.
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