FN Expands 22 LR Pistol Offerings with New MRD Models


FN America, LLC is expanding its 22 LR offerings with the all-new FN 502 MRD. MSRP: $469.

“When we first started the development of the FN 502 platform, our goal was to deliver factory-milled optics-ready slides, suppressor-ready barrels, and professional-quality triggers, some of the most sought after benefits in the FN 509 and FNX pistol product lines,” said Chris Cole, vice president of sales for FN America, LLC. “The MRD model is the natural evolution of the FN 502 platform, allowing users to add a red dot.” The company released its first rimfire in 2021, the FN 502 Tactical.

The FN 502 MRD shares the same optics mounting system as the Tactical model that was inspired by the company’s patented Low-Profile Optics-Mounting System. Compatible with multiple micro red dot optics, users are able to swap out the MRD insert plates with integrated sights depending on their optic of choice.

The hammer-fired FN 502 has a single-action trigger and the grip profile of the FN 509 family of pistols.

The FN 502 MRD ships with two 10-round flush-fit magazines along with the necessary plates to mount compatible micro red dot optics. Due to its similarity in muzzle and trigger guard dimensions to the FN 509, the FN 502 MRD will fit in most FN 509 holsters.


  • CALIBER: 22 LR
  • OPERATION: Single Action Only (SAO)
  • MAG CAPACITY: 10 Rd.
  • WEIGHT: 22.5 oz.
  • TWIST RATE: 1:16″ RH
  • HEIGHT: 5.4”
  • WIDTH: 1.4”
  • TRIGGER PULL: ≈ 5 lbs
  • SIGHT RADIUS: 5.5”
  • 66-101012, FN 502 MRD FDE/FDE 2X10
  • 66-101013, FN 502 MRD BLK/BLK 2X10


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