FN First

Inspired by our heritage and history, the FN 503® represents FN’s first entry into the slim 9MM category. Find the freedom to go where you want, not where you’re told, with the feature-loaded FN 503. From the innovators behind the world’s most battle-proven firearms.®

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You Choose

The FN 503 is equipped to handle both 6-round and 8-round magazines, leaving the choice up to you.


Enjoy a smooth draw from any holster or bag thanks to the FN 503’s snag-free sights.

Pull No Punches

Features an all-metal trigger that breaks crisply and consistently, with an average trigger pull of 5lbs‒7lbs.

Easy On The Hands

The FN 503®’s slimmer profile, enhanced grip textures, and enlarged controls enable effortless operation.

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With its best-in-class trigger, control, balance, grip and more, when you need heavyweight features in a lightweight package, what you need is the new FN 503.®

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With its best-in-class trigger and shockingly soft recoil, the FN 503 offers superior control and comfort while shooting.

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