FN 509 COMPACT MRD 9MM 15RD 3.7″ PISTOL, FDE – 66-100574


SKU 5165492190
Model Number 66-100574
Brand FNH
UPC 845737010911
Caliber 9mm




  • Brand: FN
  • Model: FN 509 Compact MRD
  • Caliber: 9mm
  • Operation: Double-action
  • Capacity: 15
  • # of Mags: One (1) 12rd & One (1) 15rd
  • Barrel Length: 3.7″
  • OAL: 6.8″
  • Frame Material: FDE Polymer
  • Twist Rate: 1:10″ RH
  • Width: 1.35″
  • Trigger Pull: 5.5 – 7.5 lb.
  • Sight Radius: 5.6″
  • Weight: 25.5 oz.


With FN’s patented Low-Profile Optics Mounting System and unparalleled modularity of the FN 509 platform, the FN 509 Compact MRD joins the ranks packing a full-size punch in a compact, optics-ready package. The pistol is 9mm and striker-fired with 3.7-inch barrel, standard 12+1 capacity and the capability to accept all higher capacity FN 509 magazines. The patented FN Low-Profile Optics Mounting System accepts nearly all commercially available miniature red dot optics and features blackout iron sights that co-witness. The improved controls aid in manipulation, the new improved texturing on the two included backstraps provides better recoil management, and a new flatter faced trigger allows for more controllable trigger press and cleaner break.


External extractor; loaded chamber indicator
Interchangeable backstraps
MIL-STD-1913 accessory mounting rail
Improved flatter face trigger
Fully ambidextrous slide stop lever and magazine release
Comes with one 12-round and one 15-round magazine
Compatible with FN 509 17-round and 24-round
Includes FN logo soft pistol case


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