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FN America FN509 Midsize MRD
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

FN America

FN509 Midsize MRD

$839.00
$694.00
Sale Price
Low Stock (2 left)
California DOJ roster CA DOJ Roster

This handgun is not listed as California compliant under the California handgun roster.

FN America FN 509 Midsize MRD, Semi-automatic, Striker Fired, Mid-Size, 9MM, 4" Barrel, Polymer Frame, Flat Dark Earth Finish, 2-15Rd, Ambidextrous Controls, Non-Manual Safety, Optics Ready 66-100741

Key Details
Brand FN America
Manufacturer Part Number 66-100741
UPC 845737011567
SKU FN66-100741
Current Stock 2 available
Quantity Updated May 18, 2026 3:40 AM
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Purchase Requirements
  • This product requires FFL processing before pickup or transfer.
  • Age verification is required before checkout completion.
  • California compliance or distributor restriction review may apply.
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

This evolution of the FN 509 Midsize, now featuring the FN Low Profile Optics Mounting System, gives you the option of direct mounting more than 10 different miniature red dot optics to your concealed carry pistol. The FN 509 Midsize MRD features a four-inch barrel and slide with optics mounting package, a midsized frame, and 10-round capacity. 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.

Features
  • Precise Manufacturing
  • Long Term Reliability
  • Durable Construction
Specifications
UPC: 845737011567
Manufacturer: FN America
Manufacturer Part #: 66-100741
Model: FN509 Midsize MRD
Action: Semi-automatic
Size: Mid-Size
Barrel Length: 4"
Capacity: 15 Rounds
Finish: Matte
Sights: Optics Ready
Safety: Non-Manual Safety
Type: Striker Fired