---
title: "Sig Sauer OEM 20rd Magazine for Sig MPX, 9mm, Black"
description: "$36.94 at Keystone Shooting Supply, 27% below usual."
type: "product"
category: "magazines"
brand: "Sig Sauer"
landed_price: 36.94
currency: "USD"
best_store: "Keystone Shooting Supply"
deal_signal: "lower"
usual_price: 50.42
updated: "2026-10-19T12:32:00.000Z"
url: "https://trigger.deals/p/sig-sauer-oem-20rd-magazine-for-sig-mpx-9mm-black-vzr"
site: "Trigger Deals"
data: "sample"
---

# Sig Sauer OEM 20rd Magazine for Sig MPX, 9mm, Black

> Lowest landed price: **$36.94** at Keystone Shooting Supply (★ 4.8, 24,471 reviews). 27% below usual (usual $50.42, the 90-day median), the lowest price in 90 days. In stock, verified 2026-10-19 12:32 UTC.

- Item price $30.99 + $5.95 shipping. Landed price excludes sales tax.
- 90-day range: $36.94 to $57.96
- 2-year low: $36.94 (Oct 19, 2026)
- Price unchanged for 5 days (since 2026-10-15 04:07 UTC)
- MSRP: $55.49 (33% off)
- Brand: Sig Sauer. Category: magazines.
- [Buy at Keystone Shooting Supply](https://trigger.deals/go/sig-sauer-oem-20rd-magazine-for-sig-mpx-9mm-black-vzr?store=keystone-shooting)

## Compare stores (3)

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 | $36.94 | Best price | $30.99 | $5.95 | In stock | 2026-10-19 12:32 UTC |
| Great Lakes Tactical | ★ 4.4 | $37.48 | +$0.54 | $33.49 | $3.99 | In stock | 2026-10-19 12:11 UTC |
| Timber Ridge Sporting | ★ 4.6 | $41.94 | +$5.00 | $32.95 | $8.99 | In stock | 2026-10-19 10:57 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-oem-20rd-magazine-for-sig-mpx-9mm-black-vzr?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $47.65 |
| Aug 3, 2026 | $51.99 |
| Aug 10, 2026 | $43.77 |
| Aug 17, 2026 | $45.63 |
| Aug 24, 2026 | $52.42 |
| Aug 31, 2026 | $50.68 |
| Sep 7, 2026 | $50.68 |
| Sep 14, 2026 | $47.60 |
| Sep 21, 2026 | $49.50 |
| Sep 28, 2026 | $47.05 |
| Oct 5, 2026 | $57.96 |
| Oct 12, 2026 | $50.81 |
| Oct 19, 2026 | $36.94 |

## About this product

A 20-round magazine for the Sig MPX in 9mm Luger, with a steel body in black. Single magazine per order. Some states limit magazine capacity; check your local law before ordering.

## Specs

| Spec | Value |
| --- | --- |
| Fits | Sig MPX |
| Caliber | 9mm Luger |
| Capacity | 20 rounds |
| Material | Steel |
| Color | Black |
| Pack size | Single magazine |

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