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FN Five-seveN

IN PRODUCTION
FN Five-seveN
Quick Overview
Manufacturer
Origin
Production
2001 - Present
Caliber
Overview

The FN Five-seveN is a semi‑automatic pistol designed around the proprietary 5.7×28mm cartridge, emphasizing low recoil, high capacity and the ability to defeat soft body armor. Conceived as a compact, lightweight sidearm for military and law‑enforcement operators, it combines a polymer frame with a steel slide and a short‑stroke gas‑delayed blowback system that allows reliable cycling of the high‑velocity bottleneck round. Its 20‑round double‑stack magazine, ergonomic grip angle and interchangeable backstraps provide a customizable fit, while the low bore axis and linear recoil impulse give rapid follow‑up shots. The pistol’s reputation rests on its unique ballistic performance—high muzzle velocity (≈ 715 m/s) and flat trajectory—making it effective at extended pistol ranges and capable of penetrating many NATO‑standard soft armors. The Five‑seveN’s distinctive features include a polygonal rifled barrel, ambidextrous controls, and optional suppressor‑ready threaded barrel, setting it apart from conventional 9 mm pistols.

Calibers & Ammunition
Dimensions
Overall Length
200 mm (7.9 in) with magazine inserted
Barrel Length
114 mm (4.5 in)
Weight
0.68 kg (1.5 lb) empty
Mechanical
Action Type
Short‑stroke gas‑delayed blowback, closed bolt
Trigger Type
Single‑stage, light trigger pull (~4.5 lb) with manual safety/decocker
Sights Type
Fixed three‑dot tritium night sights (white front, red rear) with optional low‑profile night sight package
Magazine Capacity
20 rounds standard, 10‑round low‑profile, 30‑round extended options

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