FN 509 Compact 9mm | 3.7″ Barrel | 12/15rd Mags | 66100815

The FN 509 Compact is a striker-fired 9mm pistol with a 3.7-inch barrel that delivers full-sized performance in a smaller, concealable package. It ships with one 12-round and one 15-round magazine, interchangeable backstraps, and an FN soft pistol case. The polymer frame includes a MIL-STD-1913 accessory rail and low-profile, high-visibility front sight while the matte black stainless slide has serrations for positive manipulation. For shooters who want a red-dot, a compact micro red-dot such as a Holosun 407K (priced under $1,000) pairs well for fast target acquisition when used with an optic-ready slide or a factory optics plate.

Product Specifications

• The UPC is 845737012793.
• The caliber is 9mm.
• The action is Semi-Auto.
• The trigger system is striker-fired.
• The barrel length is 3.7 inches.
• The overall length is 6.8 inches.
• The unloaded weight is 25.5 oz.
• The standard maximum magazine capacity is 15 rounds.
• The firearm ships with one 12‑round and one 15‑round magazine.
• The frame material is black polymer and includes a Picatinny accessory rail.
• The slide is stainless steel with a matte black finish and has serrations for manipulation.
• The sights are fixed, low-profile with a high-visibility front.
• Drilled and tapped for optics: No.
• Included accessories: two magazines and an FN soft pistol case.

The FN 509 Compact balances concealability with controllability: the shortened grip and improved texture help manage recoil, and the flatter-faced trigger enhances trigger control for follow-up shots. This is a practical option for everyday carry and for focused range training where a compact, reliable platform is desired. The combination of two magazines, interchangeable backstraps, and a durable slide/finish make it a flexible choice for shooters who value performance in a compact package.

Related Videos: