The Gun Store | Waterbury CT

123433
FN 66100797 509 Compact Tactical 9mm Luger 4.32″ Threaded Barrel, 12+1/24+1, FDE Polymer Frame w/Mounting Rail, Optic Cut FDE Stainless Steel Slide, Includes Viper Red Dot
March 27, 2026
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FN 66101928 509 MRD w/Optic 9mm Luger 10+1 Holosun 407C Red Dot

$849.00

FN 66101928 509 MRD w/Optic 9mm Luger 10+1 Holosun 407C Red Dot

12 in stock

SKU: TSW|162168 Category:

The FN 509 MRD full size pistol equipped with the patented Low Profile Optics Mounting System for users who want a full-sized duty-style pistol for personal or home defense. The pistol is chambered in 9mm and features a 4.50″ cold hammer-forged barrel featuring the FN 509 signature recessed target crown to protect rifling, maintain accuracy and performance throughout the lifespan of the pistol. The slide and frame offer a secure grip and reduced recoil. Includes Holosun 407C Red Dot, FN logo soft case, two 17rd magazines, three interchangeable backstraps, four MRD mounting plates, owners manual and gun lock.

UPC

845737018351

Manufacturer

FN America / FN Herstal

Manufacturer Part Number

66101928

Action

Double Action Only

Barrel Length

4.50"

Caliber/Gauge

9mm

Capacity

10 + 1

Safety

No Manual

Slide Description

Optic Cut/Serrated