FN FNX-9 17-Round Magazine 9mm Luger Black Stainless Steel

The FN FNX-9 17-round magazine delivers extended capacity for competitive shooting and tactical applications. This factory magazine maintains the reliability standards FN built into their striker-fired pistol platform while providing additional rounds over standard capacity options.

What Makes This Different

Constructed with stainless steel internals and a polymer body, this magazine resists corrosion better than all-steel alternatives. The 17-round capacity exceeds many competitor offerings in the 9mm category by 2-4 rounds. FN's proprietary spring system maintains consistent feeding pressure across the full capacity range, reducing the likelihood of feeding issues common in extended magazines.

Key Features

• 17-round capacity increases firepower over standard 15-round magazines
• Stainless steel construction resists corrosion and wear
• Black polymer exterior provides durability and weight reduction
• Factory FN specifications ensure proper fit and function
• Compatible with FNX-9 pistol models
• Witness holes allow visual ammunition count verification
• Drop-free design enables rapid magazine changes

Field testing demonstrates reliable feeding with various 9mm ammunition weights from 115 to 147 grains. The magazine functions in temperature extremes from -20°F to 140°F without spring tension loss. Competition shooters report consistent performance through extended shooting sessions exceeding 500 rounds. The stainless steel follower maintains smooth operation even when loaded to full capacity for extended periods.

Technical Specs

• Caliber: 9mm Luger
• Capacity: 17 rounds
• Construction: Stainless steel internals, polymer body
• Finish: Black exterior coating
• Compatibility: FN FNX-9 pistols
• Overall Length: Approximately 5.2 inches
• Weight: 4.1 ounces (empty)
• Country of Origin: Belgium/USA

This factory magazine maintains FN's manufacturing tolerances while providing the extended capacity serious shooters demand. The combination of proven materials and engineering makes it a practical upgrade for duty use, competition, or personal defense applications.