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FN503 laying on a dead tree FN503 side view FN503 oversized control FN503 on some moss
FN503 laying on a dead tree FN503 side view FN503 oversized control FN503 on some moss
  • Great factory sub-compact trigger
  • Very compact and concealable
  • Good ergonomics even with large hands with the extended mag
  • Needs some "breaking-in" to function properly
  • Low capacity standard mags - 6 rounds only
Editor’s Note:

“If you need a top tier CCW, the FN 503 needs to be in the consideration. With an outstanding trigger, great ergonomics, and coming in at a very reasonable price point — this is a gun that simply delivers.” – David Full Review

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Product Details

Action
Semi-Auto
Barrel Length
3.1in
Magazine Capacity
6+1-Round, 8+1-Round
Magazine Included
1 x 6-Round, 1 x 8-Round
Magazine Type
Removable
Caliber
9mm Luger
Finish
Black
Front Sight
Fixed
Rear Sight
Fixed
Overall Length
5.9 in
Muzzle
Plain
Stock Material
Polymer
Weight
1.31 lbs
Price
$453.99

Product Features

Striker Fired
Stainless Steel Slide
Slim frame
Snag free 3 dot low profile iron sights
Includes 6-round and 8-round magazines

Product Description

The FN 503 is a micro-compact pistol that is highly concealable and great for CCW. With FN’s legendary reputation of durability and reliability, the FN 503 delivers accuracy with best-in class metal trigger that breaks at around 5.5lbs, and a snag-free 3 dot sights.

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By The Numbers

Accuracy
It's decent for a 3" barrel
Reliability
Needed breaking-in but after 100 rounds, this gun runs!
Customization
Not many options there
Ergonomics
Not bad especially with extended mag. With the extended mag in, this one ain’t half bad. Extra points for the oversized slide release.
Price
$453.99

Hands-On Reviews & Related Post

FN 503 Variations & Comparables

4.4
(6 ratings)
Sig Sauer P365
VIEW DETAILS

Sig Sauer P365

$499.99

“The rest of the industry has had a couple of years to catch up but the P365 is still an impressive micro 9mm that is super popular as a CCW option.”

Read More
5
(1 rating)
FN 509
VIEW DETAILS

FN 509

$599.00

Then FN 509 is a polymer pistol with a weight around 26 ounces and a length measuring 7.4 inches. It features a fixed 3-dot sight system with combat-style sights and a capacity of 17 rounds (or 10 round mags available for states that require that). The trigger pull comes in around 5.5 to 7.7 pounds and it feels smooth while shooting. The FN is a nice pistol that, while pricier, is worth the money.

Read More
4.5
(0 ratings)
FN 509C
VIEW DETAILS

FN 509C

$645.99

The FN 509C is one of our writer’s (Johnny B) carry gun. According to Johnny, this thing “runs like a Swiss sewing machine.”

Read More

final verdict

“FN never really makes a bad gun and the FN 503 is no exception. Outside of a short break-in period, it has been reliable and great to shoot. The truly amazing trigger makes this a much nicer gun to shoot out of the box than many other options on the market right now.” – David Lane

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