If you are looking for the best holster for your FN 503, along with any other handgun you might own, look no further. Our holsters can fit 150+ Firearms and this 503 is one. Our Will Fit list is growing by the day, and it’s more than just words on a page. See the photos below of customer-tested Diamondback AM retention. Buy a holster for your gun and submit the photos to us through social media to contribute to the list!

Compact Holster for FN 503

Full-Size Holster for FN 503

Twin-Mag Holster FN 503

Special Edition Holsters

Compact Holsters

Full-Size Holsters

Twin Mag Holsters