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The Gun Store | Waterbury CT

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Mossberg 590M Shockwave Mag-Fed Shotgun 12 ga 2.75″ Chamber 10rd Magazine 15″ Barrel Matte Blue

July 31, 2026
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Shark Coast Tactical SCT15 Midnight Bundle 5.56mm 10rd Magazine 16″ Barrel Juggernaut Mod Kit Light Red Dot & Bag

July 31, 2026

FN 66100489 509 9mm Luger 17+1 4″ Black Target Crown Steel Barrel, Flat Dark Earth Serrated Stainless Steel Slide & Polymer Frame w/Picatinny Rail, FDE Interchangeable Backstrap Grip, Ambidextrous

$557.23

FN 66100489 509 9mm Luger 17+1 4″ Black Target Crown Steel Barrel, Flat Dark Earth Serrated Stainless Steel Slide & Polymer Frame w/Picatinny Rail, FDE Interchangeable Backstrap Grip, Ambidextrous

Out of stock

SKU: TSW|114045 Category:

The FN 509 is built on the proven architecture of the FNS Compact. Featuring a cold hammer-forged stainless steel barrel; combat-style sights; front and rear cocking serrations; MIL-STD 1913 accessory mounting rail; interchangeable backstraps; double action operation; fully ambidextrous slide stop lever and magazine release; fixed 3 dot luminescent sights and a polymer construction with replaceable steel frame/slide rails. Includes two interchangeable backstraps, two magazines, owners manual, locking device and soft pistol case.

UPC

845737010232

Manufacturer

FN America / FN Herstal

Manufacturer Part Number

66100489

Action

Double Action Only

Barrel Length

4"

Caliber/Gauge

9mm

Capacity

17

Number of Magazines

2 / 17 rd.

Product Type

Striker Fired

Rate of Twist

1:10"

Safety

No

Sights

3-Dot Fixed

Sights Type

3-Dot Fixed

Slide Description

Serrated