FN 66100745 509 Midsize Tactical 9mm Luger 4.50" Threaded Barrel 15+1 Or 24+1, Flat Dark Earth Polymer Frame With Mounting Rail, Optic Cut FDE Stainless Steel Slide, No Manual Safety, Optics Ready

UPC: 845737011604 MPN: 66-100745 SKU: 65318424

FN FN509M 9mm Pistol (15-Round)

Name: FN FN509M 9mm Pistol (15-Round)
Brand: FN
SKU: 65318424

Handguns Semi Auto FN FN509M SKU: 65318424 In StockOnline Only

$784.00

$1,069.00 MSRP

Save $285.00 (27%)

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One Stop Firearms Mesa 4.3 (104 reviews)

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Compare all offers for FN 66100745 509 Midsize Tactical 9mm Luger 4.50" Threaded Barrel 15+1 Or 24+1, Flat Dark Earth Polymer Frame With Mounting Rail, Optic Cut FDE Stainless Steel Slide, No Manual Safety, Optics Ready (845737011604)

Quick Specs

Caliber 9mm Luger,9MM,9mm

Capacity 15+1,24+1

Insight Snapshot

One Stop Firearms lists this offer at $784.00, 27% under MSRP.

FN 509M anchors the Handguns segment in the firearms catalog, giving shoppers a clear baseline before purchase.
Chambered in 9mm Luger, it keeps ballistics predictable across practice and defensive loads without forcing you to rework your kit.
Factory materials note a semi-automatic action, which influences recoil timing and maintenance cadence.
Standard capacity lands at 15+1, so plan your range loadout around how often you expect to top off.

Shopping Tips

The featured offer reflects a 27% savings versus MSRP; use that benchmark when negotiating.
Line up your receiving FFL early and clarify their transfer fees so you are not surprised at pickup.

Ownership Checklist

Confirm the receiving FFL is ready for the transfer and understands the model you are purchasing.
Review Not found, Not found requirements on storage, transport, and waiting periods before the firearm arrives.
Source 9mm Luger practice ammunition early; popular loads tighten in supply when prices drop.

Common Questions

What specs should I know before buying FN FN509M 9mm Pistol (15-Round)?

Key callouts include caliber: 9mm Luger, action: Semi-automatic, capacity: 15+1. Scroll up for the full specification table before you commit.

FN FN509M headlines the specification sheet for this platform. Factory literature categorizes it as a striker fired, which frames expectations for handling and use. Factory chambered in 9mm Luger, built around a semi-automatic action with a 15+1 round capacity to keep performance predictable from shot to shot. Dimensional notes call out a barrel length of 4.5'' / 4.50" / 4.5" / 4.5 in, helping you plan cases and storage. Unloaded weight settles near 1.656 lbs, which influences recoil management and carry options. Furniture is trimmed in polymer, giving the rifle its classic profile. Metalwork wears a pvd / flat dark earth / colored / fde treatment, pairing durability with period-correct styling. Overall dimensions ship at 3.30 X 11.10 X 12.10, so plan case and safe clearance accordingly.