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FN 509 Compact 9mm Black Pistol

The FN 509 Compact is a striker-fired 9mm pistol designed for concealed carry and everyday defensive use. Its compact polymer frame combines a 3.7-inch barrel with a 10+1 capacity, while interchangeable backstraps help users tailor the grip to their hand. Standard fixed sights provide a familiar sight picture, and the integrated trigger safety supports secure handling during carry.

Key features

  • Compact polymer frame with a 3.7-inch barrel for convenient concealed carry
  • 10+1 capacity in 9mm for a balance of firepower and compact dimensions
  • Interchangeable polymer backstraps allow the grip to be customized for hand size
  • Striker-fired action with an integrated trigger safety
  • Fixed standard sights provide a durable, low-maintenance sighting system
  • Black finish for a consistent, subdued appearance

The FN 509 Compact offers a practical combination of carry-friendly dimensions, adaptable ergonomics, and dependable 9mm performance.

FN 509 Compact 9mm Black Pistol: quick facts

What caliber is the FN 509 Compact 9mm Black 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 3.7 inches, overall length 6.8 inches, weight 25.5 ounces.
What kind of action does it use?
Semi-Automatic.
Is it optic ready or threaded?
Optic ready: No; threaded barrel: No.
What sights and finish does it have?
Sights: Standard Sights; finish: Black.
Is it new or used?
New, in the original packaging.
Can I buy it in Utah?
Yes. It ships to a licensed FFL dealer in Utah; you pick it up there after the background check. Handguns ship to the Utah dealer you pick at checkout, where you complete Form 4473 and the state background check before pickup.
Is it in stock?
Yes, at $663.59. Orders leave within 1-2 business days; shipping is free over $999.

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