FN America continues to expand their popular 509 lineup with the FN 509 Compact MRD that is optic ready. This compact variant comes with a 3.7-inch barrel and a compact slide. The compact 509 is available in black and FDE at $799.

Below is FN America press release and specs on the FN 509 Compact MRD. 

FN America, LLC is pleased to announce the release of the smallest addition to the FN 509® family of pistols, the FN 509 Compact MRD, an optics-ready compact pistol featuring the company’s patented FN Low-Profile Optics-Mounting System,™ further expanding the optics-ready FN 509 models to four.

The FN 509 Compact MRD is chambered in 9mm and is striker-fired. It features a 3.7-inch barrel and compact slide, and is available in both black and flat dark earth (FDE) finishes. The patented optics mounting system allows for a low-profile, direct mount through a carefully developed plate system that perfectly positions the optic so that the focal point allows for a low-profile mount and co-witness with the all-black iron sights that minimize interference with the optic.

The frame, reduced in overall size for concealability, features a MIL-STD 1913 Picatinny rail that accepts most compact pistol lights, improved controls to aid in manipulation, improved texturing on the two included backstraps for better recoil management, and a new flatter faced trigger allowing for more controllable trigger press and cleaner break.

Each pistol ships in a branded soft-sided, zippered case with FN Low-Profile Optics-Mounting System™ plate kit, one 12-round magazine with pinky extender and one 15-round magazine with grip sleeve or in an all 10-round magazine configuration for states with magazine capacity restrictions. The FN 509 Compact MRD also has the capability to accept all higher capacity FN 509 magazines with use of a sleeve. Manufacturer’s suggested retail price of the FN 509 Compact MRD pistol is $799.00 and is available to purchase through authorized retailers.


• Caliber : 9mm

• Operation: Double-action

• Magazine Capacity: 10 or 12/15 Rd.

• Weight: 25.5 oz.

• Barrel Length: 3.7″

• Overall Length: 6.8″

• Twist Rate: 1:10″ RH

• Height: 5.2″ / 4.8″

• Width: 1.35″

• Trigger Pull: 5.5 – 7.5 lb.

• Sight Radius: 5.6″

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