---
title: "FN 509 Tactical 9mm Threaded Barrel, 4.5 in., 24rd, Black"
description: "$870.98 at Prairie Fire Supply, 3% above usual."
type: "product"
category: "guns"
brand: "FN"
landed_price: 870.98
currency: "USD"
best_store: "Prairie Fire Supply"
deal_signal: "higher"
usual_price: 845.5
updated: "2026-10-19T14:56:00.000Z"
url: "https://trigger.deals/p/fn-509-tactical-9mm-threaded-barrel-45-in-24rd-black-cbn"
site: "Trigger Deals"
data: "sample"
---

# FN 509 Tactical 9mm Threaded Barrel, 4.5 in., 24rd, Black

> Lowest landed price: **$870.98** at Prairie Fire Supply (★ 4.1, 1,204 reviews). 3% above usual (usual $845.50, the 90-day median). Stock not reported, verified 2026-10-19 14:56 UTC.

- Item price $840.99 + $29.99 shipping to your FFL dealer. Landed price excludes sales tax and the dealer's transfer fee.
- 90-day range: $781.60 to $970.44
- 2-year low: $781.60 (Sep 6, 2026)
- Price unchanged for 4 days (since 2026-10-16 22:29 UTC)
- MSRP: $1,140 (24% off)
- Brand: FN. Category: guns.
- [Buy at Prairie Fire Supply](https://trigger.deals/go/fn-509-tactical-9mm-threaded-barrel-45-in-24rd-black-cbn?store=prairie-fire-supply)

## Compare stores (6)

Ranked by landed price: the item plus shipping to you, before tax.

| Store | Rating | Landed price | Versus best | Item price | Shipping | Stock | Verified |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Prairie Fire Supply (best) | ★ 4.1 | $870.98 | Best price | $840.99 | $29.99 | Stock not reported | 2026-10-19 14:56 UTC |
| Gulf Coast Guns | ★ 4.6 | $900.98 | +$30.00 | $885.99 | $14.99 | In stock | 2026-10-19 13:58 UTC |
| Ozark Range Supply | ★ 4.6 | $947.99 | +$77.01 | $925.49 | $22.50 | In stock | 2026-10-19 12:44 UTC |
| Westbound Armory | ★ 4.7 | $1,028.99 | +$158.01 | $1,009 | $19.99 | In stock | 2026-10-19 12:10 UTC |
| Palisade Sporting Goods | ★ 4.2 | $1,109.98 | +$239.00 | $1,074.99 | $34.99 | In stock | 2026-10-19 12:34 UTC |
| Black Canyon Arms | ★ 4.3 | $767.95 | – | $752.95 | $15.00 | Out of stock | 2026-10-19 12:10 UTC |

## Price history

Lowest landed price across stores, weekly over the last 90 days (full daily history: [JSON API](https://trigger.deals/api/v1/products/fn-509-tactical-9mm-threaded-barrel-45-in-24rd-black-cbn?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $818.74 |
| Aug 3, 2026 | $933.63 |
| Aug 10, 2026 | $963.22 |
| Aug 17, 2026 | $970.44 |
| Aug 24, 2026 | $781.60 |
| Aug 31, 2026 | $781.60 |
| Sep 7, 2026 | $872.80 |
| Sep 14, 2026 | $872.80 |
| Sep 21, 2026 | $960.89 |
| Sep 28, 2026 | $809.23 |
| Oct 5, 2026 | $809.23 |
| Oct 12, 2026 | $809.23 |
| Oct 19, 2026 | $870.98 |

## About this product

The FN 509 Tactical 9mm Threaded Barrel is a handgun chambered in 9mm Luger, with a striker-fired action, a 4.5-inch barrel and a 24-round capacity. This listing is the black finish in the threaded barrel configuration, new. Guns ship to a licensed dealer (FFL) near you, who runs the background check and hands it over; their transfer fee is separate.

## Specs

| Spec | Value |
| --- | --- |
| Caliber | 9mm Luger |
| Type | Handgun |
| Action | Striker-fired |
| Capacity | 24 rounds |
| Barrel length | 4.5 in. |
| Finish | Black |
| Configuration | Threaded barrel |
| Condition | New |

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