---
title: "Magpul PMAG Gen M3 Window 40rd Magazine for AR-15, 5.56, Black, 10-Pack"
description: "$179.99 at Gulf Coast Guns, about usual."
type: "product"
category: "magazines"
brand: "Magpul"
landed_price: 179.99
currency: "USD"
best_store: "Gulf Coast Guns"
deal_signal: "about"
usual_price: 175.72
updated: "2026-10-19T13:04:00.000Z"
url: "https://trigger.deals/p/magpul-pmag-gen-m3-window-40rd-magazine-for-ar-15-556-black-10-pack-uzr"
site: "Trigger Deals"
data: "sample"
---

# Magpul PMAG Gen M3 Window 40rd Magazine for AR-15, 5.56, Black, 10-Pack

> Lowest landed price: **$179.99** at Gulf Coast Guns (★ 4.6, 9,207 reviews), **$18.00/mag**. About usual (usual $175.72, the 90-day median). In stock, verified 2026-10-19 13:04 UTC.

- Item price $179.99 + free shipping. Landed price excludes sales tax.
- 90-day range: $163.48 to $196.40
- 2-year low: $148.19 (Dec 21, 2025)
- Price unchanged for 14 days (since 2026-10-06 18:00 UTC)
- MSRP: $215.99 (17% off)
- Brand: Magpul. Category: magazines.
- [Buy at Gulf Coast Guns](https://trigger.deals/go/magpul-pmag-gen-m3-window-40rd-magazine-for-ar-15-556-black-10-pack-uzr?store=gulf-coast-guns)

## Compare stores (7)

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

| Store | Rating | Landed price | Versus best | Item price | Shipping | Stock | Verified |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Gulf Coast Guns (best) | ★ 4.6 | $179.99 | Best price | $179.99 | Free | In stock | 2026-10-19 13:04 UTC |
| Badlands Tactical | ★ 4.3 | $181.95 | +$1.96 | $181.95 | Free | Stock not reported | 2026-10-19 10:45 UTC |
| Keystone Shooting Supply | ★ 4.8 | $185.99 | +$6.00 | $185.99 | Free | In stock | 2026-10-19 11:45 UTC |
| Coyote Trail Supply | ★ 4.5 | $195.99 | +$16.00 | $195.99 | Free | In stock | 2026-10-19 10:24 UTC |
| Prairie Fire Supply | ★ 4.1 | $203.94 | +$23.95 | $197.99 | $5.95 | Stock not reported | 2026-10-19 11:30 UTC |
| Lone Pine Outfitters | ★ 4.5 | $203.99 | +$24.00 | $203.99 | Free | In stock | 2026-10-19 13:00 UTC |
| Northfork Firearms | ★ 4.7 | $197.95 | – | $197.95 | Free | Out of stock | 2026-10-19 10:33 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/magpul-pmag-gen-m3-window-40rd-magazine-for-ar-15-556-black-10-pack-uzr?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $173.34 |
| Aug 3, 2026 | $177.97 |
| Aug 10, 2026 | $177.97 |
| Aug 17, 2026 | $175.72 |
| Aug 24, 2026 | $173.69 |
| Aug 31, 2026 | $169.91 |
| Sep 7, 2026 | $172.87 |
| Sep 14, 2026 | $163.48 |
| Sep 21, 2026 | $171.02 |
| Sep 28, 2026 | $171.72 |
| Oct 5, 2026 | $196.40 |
| Oct 12, 2026 | $179.99 |
| Oct 19, 2026 | $179.99 |

## About this product

A 40-round magazine for the AR-15 in 5.56 NATO, with a polymer body in black. 10 magazines per order. Some states limit magazine capacity; check your local law before ordering.

## Specs

| Spec | Value |
| --- | --- |
| Fits | AR-15 |
| Caliber | 5.56 NATO |
| Capacity | 40 rounds |
| Material | Polymer |
| Color | Black |
| Pack size | 10 magazines |

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