The FN America FN 509 Tactical is a full-size 9mm striker-fired pistol designed for duty, defensive, and suppressor-ready applications. Its 4.5-inch threaded barrel, suppressor-height night sights, and Low Profile Optics Mounting System provide a versatile foundation for modern configurations. The polymer frame features interchangeable backstraps for a more personalized grip, while the 1913 accessory rail supports compatible lights and lasers. This Flat Dark Earth model includes five 10-round magazines and ambidextrous slide and magazine controls.
Key features
4.5-inch threaded barrel with a 1/2x28 thread pattern for suppressor-compatible setups
Suppressor-height night sights provide an elevated sight picture and low-light visibility
Low Profile Optics Mounting System supports the installation of a compatible red dot sight
Striker-fired semi-automatic action with an integrated trigger safety
Interchangeable polymer backstraps help tailor the grip to the shooter's hand
Ambidextrous slide stop lever and magazine release accommodate left- and right-handed operationciteturn0search0
The FN 509 Tactical combines optics compatibility, suppressor-ready features, and adaptable controls in a full-size 9mm pistol.
Yes. It ships to a licensed FFL dealer in Texas; you pick it up there after the background check. Texas buyers 21 and older pick this handgun up at a local dealer after a NICS check, with no permit and no waiting period; permitless carry applies from 21.
Is it in stock?
Yes, at $1032.11. Orders leave within 1-2 business days; shipping is free over $999.