---
title: "Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, Copper Brown Cerakote"
description: "$831.98 at Gulf Coast Guns, 6% above usual."
type: "product"
category: "guns"
brand: "Sig Sauer"
landed_price: 831.98
currency: "USD"
best_store: "Gulf Coast Guns"
deal_signal: "higher"
usual_price: 783.96
updated: "2026-10-19T14:38:00.000Z"
url: "https://trigger.deals/p/sig-sauer-m18-9mm-threaded-barrel-39-in-17rd-copper-brown-cerakote-ior"
site: "Trigger Deals"
data: "sample"
---

# Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, Copper Brown Cerakote

> Lowest landed price: **$831.98** at Gulf Coast Guns (★ 4.6, 9,207 reviews). 6% above usual (usual $783.96, the 90-day median). In stock, verified 2026-10-19 14:38 UTC.

- Item price $816.99 + $14.99 shipping to your FFL dealer. Landed price excludes sales tax and the dealer's transfer fee.
- 90-day range: $709.26 to $831.98
- 2-year low: $591.22 (Mar 25, 2025)
- Price unchanged for 4 days (since 2026-10-16 12:17 UTC)
- MSRP: $919.99 (10% off)
- Brand: Sig Sauer. Category: guns.
- [Buy at Gulf Coast Guns](https://trigger.deals/go/sig-sauer-m18-9mm-threaded-barrel-39-in-17rd-copper-brown-cerakote-ior?store=gulf-coast-guns)

## Compare stores (5)

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

| Store | Rating | Landed price | Versus best | Item price | Shipping | Stock | Verified |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Gulf Coast Guns (best) | ★ 4.6 | $831.98 | Best price | $816.99 | $14.99 | In stock | 2026-10-19 14:38 UTC |
| High Desert Guns | ★ 4.2 | $861.99 | +$30.01 | $836.99 | $25.00 | Stock not reported | 2026-10-19 13:56 UTC |
| Northfork Firearms | ★ 4.7 | $871.49 | +$39.51 | $853.99 | $17.50 | In stock | 2026-10-19 14:02 UTC |
| Iron Mesa Armory | ★ 4.9 | $899.99 | +$68.01 | $899.99 | Free | Only 9 left | 2026-10-19 13:26 UTC |
| Keystone Shooting Supply | ★ 4.8 | $918.94 | +$86.96 | $898.99 | $19.95 | In stock | 2026-10-19 13:46 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/sig-sauer-m18-9mm-threaded-barrel-39-in-17rd-copper-brown-cerakote-ior?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $805.82 |
| Aug 3, 2026 | $777.20 |
| Aug 10, 2026 | $796.90 |
| Aug 17, 2026 | $796.90 |
| Aug 24, 2026 | $812.78 |
| Aug 31, 2026 | $723.78 |
| Sep 7, 2026 | $777.35 |
| Sep 14, 2026 | $709.26 |
| Sep 21, 2026 | $783.96 |
| Sep 28, 2026 | $762.40 |
| Oct 5, 2026 | $784.64 |
| Oct 12, 2026 | $803.20 |
| Oct 19, 2026 | $831.98 |

## About this product

The Sig Sauer M18 9mm Threaded Barrel is a handgun chambered in 9mm Luger, with a striker-fired action, a 3.9-inch barrel and a 17-round capacity. This listing is the copper Brown Cerakote 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 | 17 rounds |
| Barrel length | 3.9 in. |
| Finish | Copper Brown Cerakote |
| Configuration | Threaded barrel |
| Condition | New |

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