---
title: "Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, OD Green"
description: "$700.94 at Keystone Shooting Supply, 7% below usual."
type: "product"
category: "guns"
brand: "Sig Sauer"
landed_price: 700.94
currency: "USD"
best_store: "Keystone Shooting Supply"
deal_signal: "lower"
usual_price: 755.97
updated: "2026-10-19T14:22:00.000Z"
url: "https://trigger.deals/p/sig-sauer-m18-9mm-threaded-barrel-39-in-17rd-od-green-ckz"
site: "Trigger Deals"
data: "sample"
---

# Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, OD Green

> Lowest landed price: **$700.94** at Keystone Shooting Supply (★ 4.8, 24,471 reviews). 7% below usual (usual $755.97, the 90-day median). In stock, verified 2026-10-19 14:22 UTC.

- Item price $680.99 + $19.95 shipping to your FFL dealer. Landed price excludes sales tax and the dealer's transfer fee.
- 90-day range: $623.85 to $813.52
- 2-year low: $623.85 (Aug 3, 2026)
- Price unchanged for 4 days (since 2026-10-16 22:20 UTC)
- MSRP: $874.99 (20% off)
- Brand: Sig Sauer. Category: guns.
- [Buy at Keystone Shooting Supply](https://trigger.deals/go/sig-sauer-m18-9mm-threaded-barrel-39-in-17rd-od-green-ckz?store=keystone-shooting)

## Compare stores (4)

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

| Store | Rating | Landed price | Versus best | Item price | Shipping | Stock | Verified |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Keystone Shooting Supply (best) | ★ 4.8 | $700.94 | Best price | $680.99 | $19.95 | In stock | 2026-10-19 14:22 UTC |
| High Desert Guns | ★ 4.2 | $701.94 | +$1.00 | $676.94 | $25.00 | Stock not reported | 2026-10-19 14:23 UTC |
| Westbound Armory | ★ 4.7 | $776.98 | +$76.04 | $756.99 | $19.99 | In stock | 2026-10-19 13:00 UTC |
| Palisade Sporting Goods | ★ 4.2 | $765.98 | – | $730.99 | $34.99 | Out of stock | 2026-10-19 13:52 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-od-green-ckz?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $623.85 |
| Aug 3, 2026 | $623.85 |
| Aug 10, 2026 | $652.42 |
| Aug 17, 2026 | $652.42 |
| Aug 24, 2026 | $813.52 |
| Aug 31, 2026 | $799.19 |
| Sep 7, 2026 | $755.97 |
| Sep 14, 2026 | $755.97 |
| Sep 21, 2026 | $645.00 |
| Sep 28, 2026 | $758.17 |
| Oct 5, 2026 | $747.47 |
| Oct 12, 2026 | $773.98 |
| Oct 19, 2026 | $700.94 |

## 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 oD Green 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 | OD Green |
| Configuration | Threaded barrel |
| Condition | New |

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