Home / Guns / FN America / FN Herstal / FN 509M MRD Flat Dark Earth 9mm 4 Barrel 10-Rounds Co-Witness Iron Sights
FN 509M MRD Flat Dark Earth 9mm 4 Barrel 10-Rounds Co-Witness Iron Sights

FN 509M MRD Flat Dark Earth 9mm 4 Barrel 10-Rounds Co-Witness Iron Sights

Lowest Price
MSRP
$815.99
Savings
19% off
Verified In Stock at
57 Stores
Updated
Aug 26, 2026

Specifications

Caliber
Model
509M
Series
MRD
MPN
66-100742
UPC
845737011574

Description

FN 509 Midsize MRD Features The FN 509M MRD brings you the FN Low Profile Optics Mounting System giving you the option of direct mounting more than 10 different miniature red dot optics to your concealed carry pistol. Featuring a midsized frame fully ambidextrous controls all-black co-witness iron sights standard 10rd capacity and is compatible with larger capacity FN 509 magazines with use of a sleeve. 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. Includes- two interchangeable backstraps two 10rd magazines and a locking device. FN 509 Midsize MRD Specifications Brand: FN Model: 509M MRD Caliber: 9mm Luger Frame Finish: Flat Dark Earth Action: DAO Slide Description: Flat Dark Earth Steel Capacity: 10+1 Frame Material: Polymer Grips: Flat Dark Earth Interchangeable Backstrap Hand: Right Includes: 2 Magazines / Optic Mounting System OAL: 7.40 Safety: No Manual Sight Configuration: Co-Witness Iron Sights Sight Style: Combat Twist: 1:10 Weight: 26.50 oz Barrel Description: Cold Hammer Forged Barrel Length: 4
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