FN 503


FN 503 9mm Specs

  • Caliber: 9mm
  • Operation: Striker fired
  • Mag Capacity: 6 or 8 Rd.
  • Weight: 21 oz.
  • Barrel Length: 3.1″
  • Overall Length: 5.9″
  • Twist Rate: 1:10 RH
  • Height: 4.6″
  • Width: 1.1″
  • Trigger Pull: 5 – 7 lb.
  • Sight Radius: 5.1


FN 503, FN 503 For Sale

The FN 503 9mm micro-compact pistol is highly concealable and ideal for carrying covertly. The sacrifices in shootability, accuracy, and reliability with thin CCW pistols are resolved thanks to FN’s famed reputation for durability. FN chose robust metal components and a better balancing point for a sturdy frame on a thin slide to minimize felt recoil. Full height grip stippling locking into the hand and an enormous extractor and slide stop enable failsafe feeding and control while reducing muzzle flip.

For shooters who take their concealed carry handgun seriously and demand more, the FN 503 provides the assurance and repeatability they need. Accuracy is delivered with a sharp sight picture from metal and the best-in-class all-metal trigger that breaks cleanly at 5.5 lbs.


FN 503 9mm Features

Striker-fired autoloader

Crisp, easy-to-shoot metal trigger

5 to 7 kg. trigger pull

Slim 9mm with 8+1 rd capacity



Low-profile iron sights to prevent snags

It utilizes the same dovetail as the FN 509 series of pistols

Loaded chamber indicator

Rear cocking serrations for easy
manipulation of slide



Recessed target crown

Polished chamber and feed ramp



Slim frame for easy concealment

Advanced texture for secure and
comfortable grip



Oversized controls for easy operation



Comes with 6-round and 8-round extended magazine


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