---
title: "Sig Sauer M18 9mm Night Sights, 3.9 in., 17rd, Copper Brown Cerakote"
description: "$805.90 at Keystone Shooting Supply, 7% below usual."
type: "product"
category: "guns"
brand: "Sig Sauer"
landed_price: 805.9
currency: "USD"
best_store: "Keystone Shooting Supply"
deal_signal: "lower"
usual_price: 862.69
updated: "2026-10-19T14:04:00.000Z"
url: "https://trigger.deals/p/sig-sauer-m18-9mm-night-sights-39-in-17rd-copper-brown-cerakote-in3"
site: "Trigger Deals"
data: "sample"
---

# Sig Sauer M18 9mm Night Sights, 3.9 in., 17rd, Copper Brown Cerakote

> Lowest landed price: **$805.90** at Keystone Shooting Supply (★ 4.8, 24,471 reviews). 7% below usual (usual $862.69, the 90-day median). In stock, verified 2026-10-19 14:04 UTC.

- Item price $785.95 + $19.95 shipping to your FFL dealer. Landed price excludes sales tax and the dealer's transfer fee.
- 90-day range: $746.36 to $984.19
- 2-year low: $711.44 (Apr 1, 2026)
- Price unchanged for 5 days (since 2026-10-15 23:14 UTC)
- MSRP: $929.95 (13% off)
- Brand: Sig Sauer. Category: guns.
- [Buy at Keystone Shooting Supply](https://trigger.deals/go/sig-sauer-m18-9mm-night-sights-39-in-17rd-copper-brown-cerakote-in3?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 | $805.90 | Best price | $785.95 | $19.95 | In stock | 2026-10-19 14:04 UTC |
| Black Canyon Arms | ★ 4.3 | $817.49 | +$11.59 | $802.49 | $15.00 | Stock not reported | 2026-10-19 11:24 UTC |
| Ridgeline Arms | ★ 4.8 | $833.48 | +$27.58 | $813.49 | $19.99 | In stock | 2026-10-19 13:04 UTC |
| Great Lakes Tactical | ★ 4.4 | $857.94 | – | $832.95 | $24.99 | Out of stock | 2026-10-19 12:17 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-night-sights-39-in-17rd-copper-brown-cerakote-in3?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $874.60 |
| Aug 3, 2026 | $895.12 |
| Aug 10, 2026 | $895.12 |
| Aug 17, 2026 | $885.13 |
| Aug 24, 2026 | $861.78 |
| Aug 31, 2026 | $835.12 |
| Sep 7, 2026 | $855.56 |
| Sep 14, 2026 | $778.52 |
| Sep 21, 2026 | $849.44 |
| Sep 28, 2026 | $875.49 |
| Oct 5, 2026 | $875.49 |
| Oct 12, 2026 | $984.19 |
| Oct 19, 2026 | $805.90 |

## About this product

The Sig Sauer M18 9mm Night Sights 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 night sights 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 | Night sights |
| Condition | New |

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