Ships to FFL
The FN 509 Midsize Tactical is a Flat Dark Earth semi-automatic pistol chambered in 9mm. It combines a compact midsize frame with a 4.5-inch threaded barrel, suppressor-height night sights, and an optics-ready slide for flexible carry, training, and duty configurations. Its textured polymer grip provides a secure hold, while the striker-fired system uses an integrated trigger safety for consistent operation.
Key features
- 4.5-inch threaded barrel with a 1/2x28 thread pitch supports compatible muzzle devices
- Factory optics-ready slide accommodates a compatible pistol red dot sight
- Suppressor-height night sights provide an elevated sight picture and low-light visibility
- Textured polymer grip supports a secure, repeatable hold
- 10+1 capacity configuration includes two magazines
- Integrated trigger safety helps prevent unintentional discharge
The FN 509 Midsize Tactical delivers a versatile optics-ready and suppressor-compatible 9mm pistol configuration in Flat Dark Earth.
FN 509 Midsize Tactical 9mm Flat Dark Earth Pistol: quick facts
- What caliber is the FN 509 Midsize Tactical 9mm Flat Dark Earth Pistol?
- It is chambered in 9mm.
- How many rounds does it hold?
- 10+1 rounds; magazines included: 2.
- How big and heavy is it?
- Barrel length 4.5 inches, overall length 7.9 inches, weight 27.9 ounces.
- What kind of action does it use?
- Semi-Automatic.
- Is it optic ready or threaded?
- Optic ready: Yes; threaded barrel: Yes.
- What sights and finish does it have?
- Sights: Night Sights; finish: Flat Dark Earth.
- Is it new or used?
- New, in the original packaging.
- Can I buy it in Connecticut?
- Yes. It ships to a licensed FFL dealer in Connecticut; you pick it up there after the background check. Connecticut buyers need a pistol permit or Handgun Eligibility Certificate, and the Connecticut dealer will only transfer this model if it and its magazines (10 rounds or fewer) are legal in Connecticut.
- Is it in stock?
- Yes, at $1012.79. Orders leave within 1-2 business days; shipping is free over $999.
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