---
title: "Magpul PMAG Gen M3 Window 40rd Magazine for AR-15, 5.56, Black"
description: "$29.94 at Lone Pine Outfitters, 11% above usual."
type: "product"
category: "magazines"
brand: "Magpul"
landed_price: 29.94
currency: "USD"
best_store: "Lone Pine Outfitters"
deal_signal: "higher"
usual_price: 26.91
updated: "2026-10-19T12:32:00.000Z"
url: "https://trigger.deals/p/magpul-pmag-gen-m3-window-40rd-magazine-for-ar-15-556-black-ut7"
site: "Trigger Deals"
data: "sample"
---

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

> Lowest landed price: **$29.94** at Lone Pine Outfitters (★ 4.5, 9,812 reviews). 11% above usual (usual $26.91, the 90-day median). In stock, verified 2026-10-19 12:32 UTC.

- Item price $20.99 + $8.95 shipping. Landed price excludes sales tax.
- 90-day range: $23.43 to $29.94
- 2-year low: $20.71 (Apr 2, 2025)
- Price unchanged for 3 days (since 2026-10-17 04:52 UTC)
- MSRP: $30.54 (2% off)
- Brand: Magpul. Category: magazines.
- [Buy at Lone Pine Outfitters](https://trigger.deals/go/magpul-pmag-gen-m3-window-40rd-magazine-for-ar-15-556-black-ut7?store=lone-pine-outfitters)

## 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 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Lone Pine Outfitters (best) | ★ 4.5 | $29.94 | Best price | $20.99 | $8.95 | In stock | 2026-10-19 12:32 UTC |
| Coyote Trail Supply | ★ 4.5 | $31.49 | +$1.55 | $24.99 | $6.50 | In stock | 2026-10-19 12:44 UTC |
| Black Canyon Arms | ★ 4.3 | $33.45 | +$3.51 | $25.95 | $7.50 | Stock not reported | 2026-10-19 12:25 UTC |
| Westbound Armory | ★ 4.7 | $36.98 | +$7.04 | $27.99 | $8.99 | In stock | 2026-10-19 12:29 UTC |
| Great Lakes Tactical | ★ 4.4 | $26.98 | – | $22.99 | $3.99 | Out of stock | 2026-10-19 10:29 UTC |
| Timber Ridge Sporting | ★ 4.6 | $28.98 | – | $19.99 | $8.99 | 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-ut7?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $26.91 |
| Aug 3, 2026 | $26.91 |
| Aug 10, 2026 | $26.69 |
| Aug 17, 2026 | $23.59 |
| Aug 24, 2026 | $27.13 |
| Aug 31, 2026 | $28.20 |
| Sep 7, 2026 | $26.79 |
| Sep 14, 2026 | $27.42 |
| Sep 21, 2026 | $23.43 |
| Sep 28, 2026 | $28.28 |
| Oct 5, 2026 | $26.86 |
| Oct 12, 2026 | $24.82 |
| Oct 19, 2026 | $29.94 |

## About this product

A 40-round magazine for the AR-15 in 5.56 NATO, with a polymer body in black. Single magazine 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 | Single magazine |

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