$19.44Usually $28.29
Save $8.85
40rdBlack, 20-pack
Magpul PMAG Gen M3 40rd Magazine for AR-15, 5.56, Black, 20-Pack
- AR-15
- 40rd
- Polymer
- 20-pack
- Free shipping
$312.49
About usual: it usually sells for $314.48, its median price over the last 90 days.
Free shipping, before tax. $15.62 per magazine. 11% under MSRP.
Northfork Firearms
Lowest of 7 stores4.7 (7.3K), in stock,
Compare 8 stores
7 in stock. 100+ store clicks this week.
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Landed price | Versus best | Stock | Store link |
|---|---|---|---|---|
Northfork Firearms4.7 4.7(7.3K)store rating | $312.49 | Best price | In stock | Buy at Northfork Firearms (opens in a new tab) |
 Bayou Arms Co.4.1 4.1(1.7K)store rating | $315.49 | +$3.00 | Not reported | Buy at Bayou Arms Co. (opens in a new tab) |
 Badlands Tactical4.3 4.3(2.9K)store rating | $330.99 | +$18.50 | Not reported | Buy at Badlands Tactical (opens in a new tab) |
 Keystone Shooting Supply4.8 4.8(24.5K)store rating | $356.99 | +$44.50 | In stock | Buy at Keystone Shooting Supply (opens in a new tab) |
 Great Lakes Tactical4.4 4.4(5.5K)store rating | $364.99 | +$52.50 | In stock | Buy at Great Lakes Tactical (opens in a new tab) |
 Prairie Fire Supply4.1 4.1(1.2K)store rating | $375.94 | +$63.45 | Not reported | Buy at Prairie Fire Supply (opens in a new tab) |
 Westbound Armory4.7 4.7(4.6K)store rating | $388.95 | +$76.46 | In stock | Buy at Westbound Armory (opens in a new tab) |
 Lone Pine Outfitters4.5 4.5(9.8K)store rating | $315.49 | Not available | Out of stock | View at Lone Pine Outfitters (opens in a new tab) |
Price history
The lowest price and each store's own, every day for 2 years.
- Usual
- $314.48
- 90-day median
- 90-day low
- $266.04
- 90-day high
- $329.90
- 2-year low
- $266.04
- Jul 30, 2026
- Unchanged for
- 11 days
- Since Oct 9, 2026
Every price change (114 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 9, 2026 | $312.49 | Down 2.0% |
| Sep 19, 2026 | $318.93 | Down 3.3% |
| Sep 6, 2026 | $329.90 | Up 21.2% |
| Sep 4, 2026 | $272.29 | Down 1.8% |
| Sep 3, 2026 | $277.21 | Down 10.6% |
| Aug 18, 2026 | $310.24 | Down 1.1% |
| Aug 16, 2026 | $313.73 | Down 1.6% |
| Aug 6, 2026 | $318.73 | Up 1.4% |
| Jul 31, 2026 | $314.48 | Up 18.2% |
| Jul 29, 2026 | $266.04 | Down 14.7% |
| Jul 21, 2026 | $311.91 | Down 5.2% |
| Jul 14, 2026 | $329.03 | Up 6.5% |
| Jul 11, 2026 | $308.95 | Up 0.2% |
| Jun 26, 2026 | $308.30 | Down 4.7% |
| Jun 23, 2026 | $323.66 | Up 3.3% |
| Jun 20, 2026 | $313.36 | Up 13.2% |
| Jun 14, 2026 | $276.78 | Down 25.2% |
| May 31, 2026 | $370.02 | Up 16.8% |
| May 30, 2026 | $316.71 | Down 3.3% |
| May 13, 2026 | $327.58 | Up 2.0% |
| May 2, 2026 | $321.22 | Up 3.3% |
| Apr 29, 2026 | $310.91 | Down 2.9% |
| Apr 24, 2026 | $320.33 | Down 4.2% |
| Apr 23, 2026 | $334.36 | Down 3.2% |
| Apr 11, 2026 | $345.43 | Up 6.4% |
| Apr 6, 2026 | $324.61 | Down 0.9% |
| Mar 25, 2026 | $327.47 | Up 1.6% |
| Mar 24, 2026 | $322.47 | Down 0.4% |
| Mar 23, 2026 | $323.73 | Up 5.9% |
| Mar 16, 2026 | $305.69 | Down 7.2% |
| Mar 14, 2026 | $329.40 | Up 2.9% |
| Mar 11, 2026 | $320.05 | Down 11.1% |
| Mar 10, 2026 | $359.81 | Up 9.1% |
| Mar 8, 2026 | $329.90 | Up 6.5% |
| Mar 6, 2026 | $309.82 | Down 6.4% |
| Mar 3, 2026 | $331.16 | Down 9.0% |
| Feb 25, 2026 | $363.87 | Up 11.9% |
| Feb 19, 2026 | $325.09 | Up 3.2% |
| Feb 14, 2026 | $314.97 | Down 6.8% |
| Feb 12, 2026 | $337.97 | Up 5.2% |
| Feb 5, 2026 | $321.26 | Down 1.2% |
| Jan 29, 2026 | $325.23 | Up 7.9% |
| Jan 25, 2026 | $301.38 | Down 5.8% |
| Jan 22, 2026 | $320.02 | Down 2.8% |
| Jan 21, 2026 | $329.36 | Up 1.0% |
| Jan 17, 2026 | $326.01 | Up 1.1% |
| Jan 16, 2026 | $322.44 | Up 3.4% |
| Jan 9, 2026 | $311.84 | Down 5.1% |
| Jan 4, 2026 | $328.46 | Up 0.1% |
| Jan 3, 2026 | $328.21 | Down 0.5% |
| Dec 26, 2025 | $329.93 | Down 3.4% |
| Dec 24, 2025 | $341.60 | Up 5.7% |
| Dec 21, 2025 | $323.25 | Up 7.6% |
| Dec 17, 2025 | $300.36 | Down 9.0% |
| Dec 3, 2025 | $330.07 | Down 11.8% |
| Dec 2, 2025 | $374.10 | Up 20.8% |
| Nov 28, 2025 | $309.64 | Down 8.0% |
| Nov 25, 2025 | $336.54 | Up 10.0% |
| Nov 22, 2025 | $306.08 | Down 19.2% |
| Nov 10, 2025 | $378.91 | Up 5.3% |
| Nov 6, 2025 | $359.73 | Up 27.9% |
| Oct 26, 2025 | $281.24 | Down 10.6% |
| Oct 18, 2025 | $314.47 | Up 5.3% |
| Oct 15, 2025 | $298.61 | Down 19.8% |
| Sep 30, 2025 | $372.35 | Up 11.3% |
| Sep 26, 2025 | $334.58 | Up 5.1% |
| Sep 23, 2025 | $318.27 | Down 6.9% |
| Sep 20, 2025 | $341.72 | Up 1.8% |
| Sep 19, 2025 | $335.70 | Down 4.5% |
| Sep 6, 2025 | $351.58 | Up 22.1% |
| Aug 26, 2025 | $287.86 | Down 22.0% |
| Aug 8, 2025 | $369.14 | Up 5.6% |
| Aug 6, 2025 | $349.64 | Up 1.5% |
| Aug 3, 2025 | $344.56 | Up 0.6% |
| Aug 1, 2025 | $342.36 | Down 1.5% |
| Jul 24, 2025 | $347.48 | Up 0.7% |
| Jul 17, 2025 | $345.03 | Up 3.1% |
| Jul 5, 2025 | $334.57 | Up 0.1% |
| Jun 11, 2025 | $334.09 | Down 1.2% |
| Jun 7, 2025 | $338.14 | Up 1.2% |
| Jun 6, 2025 | $334.08 | Down 3.1% |
| Jun 1, 2025 | $344.87 | Down 0.8% |
| May 24, 2025 | $347.74 | Down 3.8% |
| May 9, 2025 | $361.40 | Up 1.5% |
| May 1, 2025 | $355.95 | Up 4.4% |
| Apr 26, 2025 | $341.10 | Down 0.8% |
| Apr 15, 2025 | $343.95 | Down 0.9% |
| Apr 13, 2025 | $347.12 | Up 15.5% |
| Mar 31, 2025 | $300.62 | Down 15.9% |
| Mar 29, 2025 | $357.48 | Up 4.2% |
| Mar 25, 2025 | $342.99 | Down 0.7% |
| Mar 18, 2025 | $345.39 | Up 20.2% |
| Mar 13, 2025 | $287.46 | Down 26.3% |
| Mar 3, 2025 | $390.18 | Up 35.2% |
| Feb 19, 2025 | $288.68 | Down 14.3% |
| Feb 18, 2025 | $336.92 | Down 15.4% |
| Feb 13, 2025 | $398.05 | Up 14.5% |
| Feb 12, 2025 | $347.51 | Down 1.3% |
| Jan 25, 2025 | $352.02 | Up 0.8% |
| Jan 23, 2025 | $349.08 | Down 3.4% |
| Jan 21, 2025 | $361.55 | Up 2.2% |
| Jan 17, 2025 | $353.76 | Up 20.9% |
| Dec 27, 2024 | $292.60 | Down 14.7% |
| Dec 24, 2024 | $343.08 | Down 10.4% |
| Dec 20, 2024 | $382.95 | Up 5.7% |
| Dec 18, 2024 | $362.38 | Up 3.0% |
| Dec 15, 2024 | $351.79 | Up 5.8% |
| Dec 10, 2024 | $332.56 | Up 12.3% |
| Nov 27, 2024 | $296.20 | Down 17.0% |
| Nov 23, 2024 | $356.87 | Down 0.0% |
| Nov 6, 2024 | $356.97 | Up 16.5% |
| Nov 2, 2024 | $306.41 | Down 14.2% |
| Oct 26, 2024 | $357.21 | Up 14.2% |
| Oct 21, 2024 | $312.73 | Down 7.3% |
About this product
A 40-round magazine for the AR-15 in 5.56 NATO, with a polymer body in black. 20 magazines per order. Some states limit magazine capacity; check your local law before ordering.
- Fits
- AR-15
- Caliber
- 5.56 NATO
- Capacity
- 40 rounds
- Material
- Polymer
- Color
- Black
- Pack size
- 20 magazines
$312.49
at Northfork Firearms
