---
title: "Sig Sauer M18 9mm Optic Ready, 3.9 in., 17rd, Black"
description: "$612.98 at Ridgeline Arms, 10% below usual."
type: "product"
category: "guns"
brand: "Sig Sauer"
landed_price: 612.98
currency: "USD"
best_store: "Ridgeline Arms"
deal_signal: "lower"
usual_price: 682.08
updated: "2026-10-19T15:13:00.000Z"
url: "https://trigger.deals/p/sig-sauer-m18-9mm-optic-ready-39-in-17rd-black-afg"
site: "Trigger Deals"
data: "sample"
---

# Sig Sauer M18 9mm Optic Ready, 3.9 in., 17rd, Black

> Lowest landed price: **$612.98** at Ridgeline Arms (★ 4.8, 18,240 reviews). 10% below usual (usual $682.08, the 90-day median). Out of stock, verified 2026-10-19 15:13 UTC.

- Item price $592.99 + $19.99 shipping to your FFL dealer. Landed price excludes sales tax and the dealer's transfer fee.
- 90-day range: $588.84 to $780.93
- 2-year low: $585.30 (Feb 16, 2026)
- Price unchanged for 19 days (since 2026-10-01 19:53 UTC)
- MSRP: $839.99 (27% off)
- Brand: Sig Sauer. Category: guns.
- [Buy at Ridgeline Arms](https://trigger.deals/go/sig-sauer-m18-9mm-optic-ready-39-in-17rd-black-afg?store=ridgeline-arms)

## 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 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Ridgeline Arms (best) | ★ 4.8 | $612.98 | – | $592.99 | $19.99 | Out of stock | 2026-10-19 15:13 UTC |
| Gulf Coast Guns | ★ 4.6 | $624.98 | – | $609.99 | $14.99 | Out of stock | 2026-10-19 13:20 UTC |
| Badlands Tactical | ★ 4.3 | $638.48 | – | $623.49 | $14.99 | Out of stock | 2026-10-19 14:31 UTC |
| Ozark Range Supply | ★ 4.6 | $661.49 | – | $638.99 | $22.50 | Out of stock | 2026-10-19 14:25 UTC |
| Lone Pine Outfitters | ★ 4.5 | $672.98 | – | $647.99 | $24.99 | Out of stock | 2026-10-19 12:36 UTC |
| Timber Ridge Sporting | ★ 4.6 | $782.94 | – | $752.95 | $29.99 | Out of stock | 2026-10-19 14:52 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-optic-ready-39-in-17rd-black-afg?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $592.81 |
| Aug 3, 2026 | $588.84 |
| Aug 10, 2026 | $698.21 |
| Aug 17, 2026 | $670.58 |
| Aug 24, 2026 | $780.93 |
| Aug 31, 2026 | $685.33 |
| Sep 7, 2026 | $698.81 |
| Sep 14, 2026 | $714.21 |
| Sep 21, 2026 | $728.61 |
| Sep 28, 2026 | $728.61 |
| Oct 5, 2026 | $612.98 |
| Oct 12, 2026 | $612.98 |
| Oct 19, 2026 | $612.98 |

## About this product

The Sig Sauer M18 9mm Optic Ready 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 black finish in the optic ready 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 | Black |
| Configuration | Optic ready |
| Condition | New |

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