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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

FN 503

(0 ratings)
  • 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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FN 503 For Sale - Compare Prices

Available Coupons
Palmetto State Armory
Kentucky Gun Co

By The Numbers

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

Hands-On Reviews & Related Post

FN 503 Variations & Comparables

(0 ratings)
FN 509C

FN 509C


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

Product Details

Striker Fired
Barrel Length
Magazine Capacity
6+1-Round, 8+1-Round
Magazine Included
1 x 6-Round, 1 x 8-Round
Magazine Type
9 mm Luger
Front Sight
Rear Sight
Overall Length
Stock Material
1.31 lbs

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.

Writer's Note

“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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