---
title: "Sig Sauer MPX K 9mm Threaded Barrel, 4.5 in., 30rd, Gunmetal Grey Cerakote"
description: "$1,898.99 at Ridgeline Arms, about usual."
type: "product"
category: "guns"
brand: "Sig Sauer"
landed_price: 1898.99
currency: "USD"
best_store: "Ridgeline Arms"
deal_signal: "about"
usual_price: 1898.99
updated: "2026-10-19T15:55:00.000Z"
url: "https://trigger.deals/p/sig-sauer-mpx-k-9mm-threaded-barrel-45-in-30rd-gunmetal-grey-cerakote-pl3"
site: "Trigger Deals"
data: "sample"
---

# Sig Sauer MPX K 9mm Threaded Barrel, 4.5 in., 30rd, Gunmetal Grey Cerakote

> Lowest landed price: **$1,898.99** at Ridgeline Arms (★ 4.8, 18,240 reviews). About usual (usual $1,898.99, the 90-day median). In stock, verified 2026-10-19 15:55 UTC.

- Item price $1,879 + $19.99 shipping to your FFL dealer. Landed price excludes sales tax and the dealer's transfer fee.
- 90-day range: $1,754.23 to $1,941.48
- 2-year low: $1,456.28 (Mar 1, 2025)
- Price unchanged for 31 days (since 2026-09-19 14:26 UTC)
- MSRP: $2,169.99 (12% off)
- Brand: Sig Sauer. Category: guns.
- [Buy at Ridgeline Arms](https://trigger.deals/go/sig-sauer-mpx-k-9mm-threaded-barrel-45-in-30rd-gunmetal-grey-cerakote-pl3?store=ridgeline-arms)

## 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 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Ridgeline Arms (best) | ★ 4.8 | $1,898.99 | Best price | $1,879 | $19.99 | In stock | 2026-10-19 15:55 UTC |
| Northfork Firearms | ★ 4.7 | $1,966.50 | +$67.51 | $1,949 | $17.50 | In stock | 2026-10-19 13:57 UTC |
| Red River Outdoors | ★ 4.4 | $2,119.98 | +$220.99 | $2,099.99 | $19.99 | In stock | 2026-10-19 15:28 UTC |
| Cedar Hollow Arms | ★ 4.8 | $2,249.99 | +$351.00 | $2,249.99 | Free | In stock | 2026-10-19 14:16 UTC |
| Summit Tactical | ★ 4.6 | $2,088.99 | – | $2,069 | $19.99 | Out of stock | 2026-10-19 16:16 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-mpx-k-9mm-threaded-barrel-45-in-30rd-gunmetal-grey-cerakote-pl3?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $1,754.23 |
| Aug 3, 2026 | $1,754.23 |
| Aug 10, 2026 | $1,754.23 |
| Aug 17, 2026 | $1,924.70 |
| Aug 24, 2026 | $1,801.05 |
| Aug 31, 2026 | $1,941.48 |
| Sep 7, 2026 | $1,771.01 |
| Sep 14, 2026 | $1,771.01 |
| Sep 21, 2026 | $1,898.99 |
| Sep 28, 2026 | $1,898.99 |
| Oct 5, 2026 | $1,898.99 |
| Oct 12, 2026 | $1,898.99 |
| Oct 19, 2026 | $1,898.99 |

## About this product

The Sig Sauer MPX K 9mm Threaded Barrel is a rifle chambered in 9mm Luger, with a semi-auto action, a 4.5-inch barrel and a 30-round capacity. This listing is the gunmetal Grey 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 | Rifle |
| Action | Semi-auto |
| Capacity | 30 rounds |
| Barrel length | 4.5 in. |
| Finish | Gunmetal Grey Cerakote |
| Configuration | Threaded barrel |
| Condition | New |

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