The FN 502 Tactical in Flat Dark Earth (FDE) is a .22 LR single-action-only (SAO) pistol with a 4.6-inch threaded barrel (1/2x28 threads) and a 7.6-inch overall length. It weighs 23.7 oz (1.48 lbs) and holds 10+1 rounds. The slide has an optic cut for direct red dot mounting, and the suppressor-height fixed sights maintain a sight picture with a can installed. 
 

Key Specifications 

• Manufacturer: FN 
• Model: 502 Tactical 
• Caliber: .22 LR 
• Action: Single Action Only (SAO) 
• Capacity: 10+1 rounds 
• Barrel Length: 4.6 inches 
• Weight: 23.7 ounces (1.48 lbs) 
• Overall Length: 7.6 inches 
• Height: 5.8 inches 
• Width: 1.4 inches 
• Trigger Pull Weight: Approximately 5 lbs 
• Sights: Suppressor-height fixed front and rear 
• Finish Color: Flat Dark Earth (FDE) 
   

Detailed Features 

 
The FDE finish distinguishes this variant from the standard black version. The slide optic cut accepts direct-mount red dots without a plate adapter on most compatible footprints. The threaded barrel handles suppressors or muzzle devices with standard 1/2x28 threading. The grip texture is taken from the FN 509 Tactical series, and ambidextrous manual safety and controls accommodate both shooting orientations. The trigger breaks at approximately 5 lbs with a clean pull. Front and rear cocking serrations give purchase on the slide from either end. 
 

Usage Scenarios 

 
This is the FDE variant of the 502 Tactical, functionally identical to the black version. The color option is mainly a personal preference or equipment matching choice. Use cases are the same: suppressed .22 LR shooting, cross-platform training with FN pistols, and optics-ready red dot practice at low cost per round.

The FN 502 Tactical FDE gets the same feedback as the black variant — the color is the only meaningful difference. Buyers who chose the FDE finish generally did so for aesthetic preference or to match other FDE-finished equipment. The praise and criticism follow the same pattern: solid build quality, well-executed suppressor and optic features, familiar FN ergonomics, but a price point that draws comparisons to less expensive .22 LR alternatives.

The FDE finish itself gets positive comments for appearance and for holding up reasonably well over time. Some discussions note that FDE variants are occasionally harder to source than the standard black, which affects availability. Overall sentiment follows the 502 Tactical line — appreciated by those who specifically want its feature set, questioned on value by those primarily seeking a budget plinking gun.