Selected Handgun Detail

FN
Model FN-503
FN Pistol FN-503 9 mm Variant-1
Scale To:
Gun Dimensions Width:1.1-in
Length:5.9-in Height:4.6-in
Barrel:3.1-in Weight:21-oz
Variant 1 of 2
Gun Rankings
  • Power Factor (124 grain bullet)134044
  • Recoil Factor (124 grain bullet)5.92 ft-lb
  • Total Capacity7 rounds
  • ConcealabilityGood
  • Defense Factor69%
Gun Specifications
Type:Pistol
Caliber:9 mm
Action:recoil operated semi-automatic
Trigger:striker single-action (SA)
Safety:trigger safety only
Magazine:6-round
Frame:black polymer
Grip:integrated polymer
Sights:white 3-dot
Notes:
Manufacturer
Fabrique Nationale Herstal, SA
More Info
About the Gun

Striker-fired subcompact fashioned after the model 509. Features a slim frame, metal trigger, textured grips, loaded chamber indicator, rear cocking slide serrations. Included extend magazine holds an additional two rounds.

Production

Production of this compact firearm began in March 2020, targeting the concealed carry market. It continues to be manufactured, with ongoing availability through various distributors and retailers as of the latest updates.

Market value
Last updated: 7/11/2025

The MSRP for this gun is approximately $549. In 95% condition, the used market value ranges from $400 to $450 based on recent 2024-2025 data from available firearm valuation platforms.

Cartridge Specifications
Cartridge: 9 mm Luger
Alias: 9 mm Parabellum
More Info
Ballistics for This Gun
Selected Bullet Mass:124 grains
MV:1081 ft/sec ME:322 ft-lbs
Analysis

This 9mm compact pistol offers a solid option for concealed carry and personal defense. Its accuracy is commendable, with tight groupings achievable at moderate ranges, thanks to a well-designed barrel and sight system. Ergonomically, the grip fits a wide range of hand sizes, providing a secure hold during extended shooting sessions. Reliability is a strong point, as it consistently cycles various ammunition types without frequent malfunctions under standard conditions. However, maintenance can be somewhat cumbersome, with disassembly requiring more effort than some competing models. Availability of replacement parts may also pose a challenge for some users, potentially delaying repairs. The trigger pull is crisp, averaging around 5.5 pounds, which aids in precision but might feel heavy for beginners. Felt recoil is moderate, manageable for most shooters, though those sensitive to kick may notice it during rapid fire. Overall, it’s a dependable choice with minor drawbacks.

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