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Magpul Industries PMAG GL9 Glock 17/19/26/34/45 9mm Luger 21 Round Pistol Magazine Up to $5.60 Off — 2 models

Magpul Industries PMAG GL9 Glock 17/19/26/34/45 Pistol Magazine, 9mm Luger, 21 Round, Black, 1 Pack, Polymer, MAG661BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG GL9 Glock 17/19/26/34/45 Pistol Magazine, 9mm Luger, 21 Round, Black, 3 Pack
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG GL9 Glock 17/19/26/34/45 Pistol Magazine, 9mm Luger, 21 Round, Black, 1 Pack, Polymer, MAG661BLK-21RD
1 of 10 images
Magpul Industries PMAG GL9 Glock 17/19/26/34/45 Pistol Magazine, 9mm Luger, 21 Round, Black, 1 Pack, Polymer, MAG661BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
2 of 10 images
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG GL9 Glock 17/19/26/34/45 Pistol Magazine, 9mm Luger, 21 Round, Black, 3 Pack
3 of 10 images
Magpul Industries PMAG GL9 Glock 17/19/26/34/45 Pistol Magazine, 9mm Luger, 21 Round, Black, 3 Pack
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
4 of 10 images
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
5 of 10 images
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
6 of 10 images
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
7 of 10 images
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
8 of 10 images
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
9 of 10 images
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD
10 of 10 images
Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine, Black, 1 Pack, MAG661-BLK-21RD

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Questions & Answers
Customer Reviews
Most Recent Reviews
loaded mags havent shot by Steven Thomas, Verified Owner, January 22, 2026
Loaded the mag but haven't shot yet it fits my dagger compact so cant complain yet
0/4 found this helpful
Most Recent Reviews
PMAG 21 GL9 Glock, 9mm Luger, 21 Round mag by one4sto, Verified Owner, December 17, 2025
Worked right out of the box. No fails when I used it on my Glock 45. Great deal from opticsplanet.com!
Most Recent Reviews
Solid Magazine by AKDamo, Verified Owner, November 25, 2025
I've been running the magpul Glock mags for a few years and haven't had any issues, whether running them in a Glock, PCC, or others, they just work.
Most Recent Reviews
as good as Glock by Blackbird, Verified Owner, November 1, 2025
Product was flawless. Budget friendly. Very satisfied
Most Recent Reviews
Magazines for Glock by Darrin, Verified Owner, June 10, 2025
Work as described and fit in the USPSA mag die. Allows maximum amount of rounds allowed if you are shooting a Glock.
Most Recent Reviews
Worked Great by CitizenSnips, Verified Owner, April 27, 2025
Mag worked great and was easy to load till the last few rounds. I left mine at 20 instead of the max 21 it can hold.
Read All 12 Reviews
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Certain firearm magazines and extensions are subject to maximum capacity restrictions based on state and local laws. Currently, we are unable to sell these products to some locations. For a complete list of these restrictions, please visit our policy page.

By continuing with your purchase, you agree to adhere to all applicable laws and regulations.  

Product Info for Magpul Industries PMAG GL9 Glock 17/19/26/34/45 9mm Luger 21 Round Pistol Magazine

The PMAG 21 GL9 is a 21-round Glock 9mm handgun magazine featuring proprietary all-polymer construction for flawless reliability and durability over thousands of rounds. Meeting the overall length requirements for a 140MM competition magazine, the PMAG 21 GL9 offers additional capacity without the need for expensive extensions. It features a high visibility controlled-tilt follower, a stainless steel spring, a floorplate that's easily removable for cleaning, a paint pen dot matrix for magazine marking, ridged floorplate edges for better grip, and capacity indicator windows. The PMAG 21 GL9 drops free from the firearm whether it's loaded or unloaded. The PMAG 21 GL9 is compatible with all full-size, compact, and sub-compact double-stack Glock 9mm variants with some protrusion below the grip.image

Specifications for Magpul Industries PMAG GL9 Glock 17/19/26/34/45 9mm Luger 21 Round Pistol Magazine:

Manufacturer: Magpul Industries
Gun Make: Glock
Gun Model: Glock 17, Glock 19
Caliber: 9mm Luger
Magazine Capacity: 21 Round
Color: Black
Quantity: 1 Pack
Fabric/Material: Polymer

Features of Magpul Industries PMAG 21 GL9 Glock, 9mm Luger, 21 Round Rifle Magazine

  • Brings added capacity and Magpul reliability to any full-size, compact, or sub-compact 9mm double-stack GLOCK handgun
  • Magazine indicator windows on both sides of the magazine body at 10, 15, and 21 rounds remaining
  • Designed with a flared, easily removable floor plate for efficient operation
  • Use the paint pen dot matrix to easily identify your different loads when it's crunch time
  • Durable, lightweight, and extremely stiff polymer construction
  • High visibility controlled-tilt follower
  • Long life stainless steel spring for corrosion resistance

Package Contents:

  • Magpul Industries PMAG GL9 Glock 17/19/26/34/45 9mm Luger 21 Round Pistol Magazine

What firearm models does the manufacturer say Magpul Industries PMAG GL9 Glock 17/19/26/34/45 9mm Luger 21 Round Pistol Magazine is compatible with?

The manufacturer suggests that Magpul Industries PMAG GL9 Glock 17/19/26/34/45 9mm Luger 21 Round Pistol Magazine is compatible with Glock 19, Glock 17

Magpul Industries PMAG GL9 Glock 17/19/26/34/45 9mm Luger 21 Round Pistol Magazine Orderable Models

List of Orderable Models

  • Magpul Industries PMAG GL9 Glock 17/19/26/34/45 Pistol Magazine, 9mm Luger, 21 Round, Black, 1 Pack, Polymer, MAG661BLK-21RD , MPN: MAG661BLK , UPC: 840815109709 , Code: 55-PMG-T4D-MAG661BLK-21RD
  • Magpul Industries PMAG GL9 Glock 17/19/26/34/45 Pistol Magazine, 9mm Luger, 21 Round, Black, 3 Pack , MPN: MAG661BLK-KIT1 , Code: 55-PMG-T4D-MAG661BLK-KIT1-21RD
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