Keep your FNX running with factory-correct fit and dependable feeding using the FN America FNX .45 ACP 10-Round Magazine (Flat Dark Earth). Built to FN’s specifications for the FNX-45 platform, this OEM magazine combines rugged steel construction with a Flat Dark Earth (FDE) finish that matches popular FNX colorways and duty-ready setups. Whether you need a compliant-capacity mag for restricted states, a spare for training, or a dedicated magazine for carry rotation, the FN 66322-2 delivers the reliable lockup, smooth insertion, and consistent feed geometry you expect from a genuine FN factory magazine.
MPN: 66322-2 (also listed as 663222) • UPC: 845737002565
OEM reliability for the FNX-45 platform
When you’re running a .45 ACP pistol—especially one designed for duty-grade use—magazine quality matters. OEM magazines are engineered around the pistol’s exact feed angle, follower travel, and spring rate so the gun cycles the way it was designed to cycle. The FN America FNX .45 ACP magazine is purpose-built to provide:
Consistent feeding under fast strings
Proper seating and lockup
Reliable last-round performance
A predictable reload feel for training and defensive use
If you’ve ever experienced inconsistent feeding with off-brand mags, an FN factory magazine is the simplest way to restore confidence and eliminate variables.
10-round capacity: compliant, practical, and training-friendly
This magazine holds 10 rounds of .45 ACP, making it a smart choice for:
Capacity-restricted jurisdictions where standard FNX mags may not be permitted
Shooters who want a smaller-capacity option for certain courses or matches
A dedicated “carry” magazine you prefer to keep separate from range mags
Anyone who wants additional magazines for drills without relying on extensions
The 10-round format is also great for structured training because it encourages more frequent reload practice—useful for building speed and consistency.
Built from steel for long-term durability
The steel magazine body is designed for real-world handling—repeat insertions, drops during reload drills, and long-term spring compression during storage. Steel construction helps maintain feed-lip geometry and overall rigidity, which is critical for reliable feeding in semi-auto pistols.
Flat Dark Earth finish to match your FNX setup
Finished in Flat Dark Earth, this magazine is a natural match for FDE FNX pistols and FDE-themed kit builds. It looks right, stays consistent with your platform’s colorway, and gives your setup a clean, cohesive appearance.
Ideal uses: range, duty, home defense, and compliant-capacity carry
This FN America 10-round FNX magazine is a great fit for:
Range practice and high-repetition training
Defensive readiness (keeping a tested, reliable spare on hand)
Travel to capacity-restricted areas (where legal)
Duty-style setups where you want proven OEM performance
Building a dedicated set of magazines you can track and rotate
SEO-friendly product details and identifiers
Brand: FN America
Type: Pistol magazine
Caliber: .45 ACP
Capacity: 10 rounds
Compatibility: Fits FNX (commonly FNX-45)
Construction: Steel
Color/Finish: Flat Dark Earth (FDE)
MPN: 66322-2 (also listed as 663222)
UPC: 845737002565
The bottom line
If you want a factory FNX .45 ACP magazine that prioritizes reliability, durability, and a correct OEM fit—while keeping you at 10-round compliant capacity—the FN America 66322-2 FDE steel magazine is the right choice. It’s a dependable spare you can trust for training, carry rotation, and long-term ownership of your FNX platform.
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