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Magpul PMAG 27 GL9 9mm 27-Round Glock Magazine

UPC: 840815109716

$18.95

187 in stock

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Description

The PMAG 27 GL9 packs serious capacity into competition-compliant dimensions. You get a full 27 rounds of 9mm while meeting 170mm length requirements for most competition matches, so you can run extended ammo counts without needing expensive mag extensions or worrying about gear that sticks out awkwardly from your grip.

Building on Magpul's PMAG reputation for durability

Like every other PMAG out there, this magazine is built around Magpul's all-polymer construction that's proven reliable over thousands of rounds. The stainless steel spring resists corrosion, and the harder polymer body on these GL9 magazines was specifically engineered to prevent swelling in the mag well, something that became an issue when Magpul tested softer polymers. The magazine drops free whether loaded or empty, making reloads smooth and predictable at the range or on the clock.

Making it easy to see what you've got left

The PMAG 27 GL9 includes a bright orange follower that locks the slide back when the magazine runs dry, so you'll immediately know when you're empty. Both sides of the magazine body have witness holes marked at 10, 15, 20, and 27 rounds, giving you quick visual confirmation without having to guess. The controlled-tilt follower design keeps rounds feeding consistently, even as they stack up through the magazine.

Practical features for real-world use

The flared floorplate has ridged edges that give you a solid grip when stripping the magazine out. Removing the baseplate is straightforward for cleaning or maintenance. You also get a paint pen dot matrix on the floorplate so you can mark your mags by load type or training purpose if you want to keep track of different configurations. Loading will feel stiff at first, especially past the 20-round mark, but this tightness ensures reliable feeding and prevents the kind of degradation you can see with springs that break in too quickly.

Key Specifications

  • Capacity: 27 rounds
  • Caliber: 9mm Parabellum (9×19)
  • Compatibility: All 9mm double-stack Glock handguns (G17, G19, G19X, G26, G34, G45, G47, G49 and clones)
  • Material: All-polymer construction with stainless steel spring
  • Follower: High-visibility orange controlled-tilt follower
  • Length: 170mm competition-legal length
  • Witness Holes: Marked at 10, 15, 20, and 27 rounds on both sides
  • Floorplate: Removable flared design with ridged edges
  • Weight: Lightweight polymer design
  • Manufacturer Part Number: MAG662-BLK
  • UPC: 840815109716
  • Color: Black
  • Made in: USA

What’s Included

  • PMAG 27 GL9 magazine

Frequently Asked Questions

Will the PMAG 27 GL9 fit in my Glock 26 or other compact models?

Yes, this magazine is designed to fit all full-size, compact, and sub-compact double-stack 9mm Glocks. With compact models like the G26, you'll have some protrusion below the grip, which is normal for extended magazines on smaller frames. If that bothers you for carry, the 21-round or 15-round GL9 magazines are better suited for daily carry on compact pistols.

Is the spring in the PMAG 27 GL9 difficult to load?

The spring is stiff initially, especially as you approach 20 rounds, and this is by design. The tight spring pressure ensures consistent feeding and durability. Most people find using a magazine loader like a Maglula makes it much easier. You can also load the magazine partway and let it sit for a few days to help the spring break in naturally.

How does the PMAG 27 GL9 compare to factory Glock magazines?

The PMAG 27 GL9 is lighter than factory mags because it's all-polymer instead of polymer with a steel liner insert. It has witness holes on the sides instead of the spine, and the orange follower makes it obvious when the magazine is empty. Both are reliable, but the PMAG is less expensive and gives you that extended 27-round capacity that no factory magazine offers.

Is this magazine competition-legal?

Yes, the PMAG 27 GL9 meets the 170mm overall length requirement for most competition shooting sports including USPSA and other major organizations. It allows you to run a full 27 rounds without needing expensive magazine extensions. Check your specific competition rules to be sure, but in most standard matches this is competition-ready.

Additional information

UPC

840815109716

Manufacturer

Manufacturer Part Number

MAG662-BLK

Brand Fit

Glock

Caliber/Gauge

9mm

Capacity

27

Color

Black

Model

Model Fit

G Double Stack

Product Type

Magazine

Quantity

1

Shipping Weight

0.24

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