Used LIKE-NEW FN 509 MRD 9mm Optics-Ready 4" FN509 +3 MAGS, CASE, LIGHT

FN 509 9-mm FN509

FN America (FN) 509 MRD 9mm Luger Black in Like-New Condition Thumbnail
How Buying WorksEnding August 30th at 10:00 PM

Key Features

  • Item Type: Semi Auto Pistols
  • Action: Striker
  • Manufacturer: FN America (FN)
  • Capacity: 24 1
  • Model: 509
  • Barrel Length: 4"
  • Caliber: 9mm Luger
  • Finish: Black
  • Overall Condition: Like-New

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Product Description

    FN 509 MRD Full-Size 9mm Luger, 4 in Barrel, Black, Striker-Fired, Optics Cut with Cover Plate, Raised Sights, 1x24rd & 2x17rd Mags, Olight PL-Mini 2 Included

    This FN 509 MRD stands out as a full-size, striker-fired 9mm with FN's Low-Profile Optics-Mounting System and raised iron sights designed to co-witness with a mounted MRD. It features a 4-inch cold hammer-forged barrel with an FNC finish, ambidextrous slide-stop levers, and an accessory rail with a mounted Olight PL-Mini 2 Valkyrie light. The pistol is in as-new condition and ships with three factory steel magazines, including an extended 24-round magazine.

    Condition

    Overall Condition: As-new condition with no signs of prior handling beyond what's typical from inspection (see photos).

    Specific Condition Details: This pistol appears almost unused.

    Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.

    Bore Rifling: Excellent Rifling - Sharp lands and grooves.

    What's Included
    • FN-branded soft zip case
    • FN factory box
    • FN 509 Series owner's manual
    • Olight PL-Mini 2 Valkyrie weapon light (mounted)
    • 1x 24-round FN 509 steel magazine (extended)
    • 2x 17-round FN 509 steel magazines

    Built in the United States and marked "FN COLUMBIA, SC USA" with "9x19" on the slide, this FN 509 MRD brings duty-grade features in a full-size format. The polymer frame hosts ambidextrous slide-stop levers and a MIL-STD-1913 (Picatinny) accessory rail with multiple cross-slots on the dust cover.

    The 4-inch barrel is cold hammer-forged with an FNC finish and is non-threaded. The striker-fired action pairs with an articulated trigger and a trigger safety for a consistent, familiar interface.

    FN's Low-Profile Optics-Mounting System includes an optics cut with the factory cover plate installed. Raised iron sights—front post and rear notch—are intended to co-witness with a mounted MRD, offering immediate alignment through the window once an optic is installed.

    Capacity is 24+1 with the included extended magazine, and two 17-round steel magazines are also included. The slide features front and rear cocking serrations for positive manipulation. An Olight PL-Mini 2 Valkyrie weapon light is mounted and included, adding ready-to-use illumination on the accessory rail.

Specifications

Item TypeSemi Auto Pistols
ManufacturerFN America (FN)
Model509
SubmodelMRD
Caliber9mm Luger
Overall ConditionLike-New
Bore ConditionExcellent
ActionStriker
Capacity24 1
Barrel Length4"
FinishBlack
Sight/Opticraised iron sights
What's IncludedRange bag, Olight PL mini Valkyrie 2
Country of OriginUnited States