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Magpul PMAG M3 MCT 30rd 5.56 NATO AR Magazine

UPC: 840815117162

$15.15

488 in stock

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Description

The PMAG M3 MCT represents the third generation of Magpul's legendary polymer magazine design, and it shows. This 30-rounder handles 5.56 NATO and .223 Remington with the smooth, problem-free feeding that made the PMAG name stick with just about every AR shooter out there.

What sets the M3 apart is material and geometry. Magpul upgraded the polymer formula to resist impact and crushing better than earlier generations, especially when things get hot or cold. The constant-curve internal geometry keeps rounds stacking properly without binding, while the four-way anti-tilt follower ensures each cartridge feeds cleanly. You get a long-life USGI-spec stainless steel spring for reliability and commonality with mil-spec parts.

Design improvements that matter

The M3 MCT brings practical upgrades that you'll notice in the field. An over-travel stop on the spine prevents magazine over-insertion, which matters if you're running this in non-standard platforms like the HK 416 or FN SCAR. The bolt catch notch was redesigned for better clearance on those guns too. The floorplate is slimmer than the M2 version, so it actually fits tighter magazine pouches without sacrificing durability. Load the rounds, rack it hard, and the floorplate stays locked down.

Built for real use

The Coyote Tan finish sits between black and FDE, blending into typical field conditions without screaming. Low-profile ribs and aggressive front and rear texturing give you positive grip even with muddy hands. On the bottom, you get a paint-pen dot matrix so you can quickly mark your mags with cartridge type, round count, or whatever system works for your kit. Tool-less disassembly makes cleaning straightforward. An included pop-off dust cover keeps debris off loaded rounds during storage or transit.

Key Specifications

  • Capacity: 30 rounds
  • Caliber: .223 Remington / 5.56×45 NATO
  • Compatible Platforms: AR-15, M4, M16, HK 416, HK MR556A1, M27 IAR, FN SCAR 16/16S, British SA-80
  • Material: Impact and crush-resistant polymer
  • Spring: Long-life USGI-spec stainless steel
  • Follower: Four-way anti-tilt, self-lubricating
  • Color: Medium Coyote Tan
  • Manufacturer: Magpul Industries
  • Manufacturer Part Number: MAG557-MCT
  • UPC: 840815117162
  • Weight: 0.355 lbs per magazine
  • Made In: USA
  • Features: Constant-curve geometry, paint-pen dot matrix, slimmer floorplate, over-travel stop, reinforced mag catch, tool-less disassembly

What’s Included

  • 1x Magpul PMAG GEN M3 MCT 30-round magazine
  • 1x pop-off Impact/Dust Cover

Frequently Asked Questions

Will the PMAG M3 MCT fit my AR-15?

Yes, the M3 MCT is designed for AR-15 and M4 platforms chambered in 5.56 NATO or .223 Remington. It follows the STANAG magazine standard and works with mil-spec and commercial lowers. Note that some older billet lower designs may require minor modification of the over-travel stop for proper fit.

How does the PMAG M3 compare to the Gen M2?

The M3 uses upgraded polymer that's more impact-resistant in extreme temperatures and features improved geometry for wider platform compatibility (HK 416, SCAR, etc.). The M3 has a slimmer floorplate for better mag pouch fit, aggressive texturing for easier grip, and an over-travel stop that prevents over-insertion. Both work great in standard AR-15s, but the M3 brings refinements worth considering.

Can I use the PMAG M3 MCT in platforms other than AR-15?

The M3 was designed to work in HK 416, HK MR556A1, FN SCAR 16/16S, M27 IAR, and British SA-80 platforms. The modified geometry and over-travel stop address fitment issues that older PMAGs had with these rifles. We always recommend testing one magazine in your specific rifle before buying in bulk.

How do I clean and maintain the PMAG M3 MCT?

The M3 features tool-less disassembly, so you can remove the floorplate, spring, and follower by hand without any tools. Rinse components with water, air dry completely, and reassemble. The polymer construction resists corrosion, so minimal maintenance is needed even after use in wet or dirty conditions.

Additional information

UPC

840815117162

Manufacturer

Manufacturer Part Number

MAG557-MCT

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

30

Color

Coyote

Model

Model Fit

AR-15

Product Type

Magazine

Quantity

1

Shipping Weight

0.355

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