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Glock 19 Pre-Installed Magazine Extension

Glock 19 OEM 15 round magazine with an installed Shield Arms anodized +5 magazine extension, for a total of 20 rounds.
Availability: Out of Stock - on backorder and will ship once in stock.
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$59.99
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A brand new Glock 19 OEM 15 round 9mm magazine with an anodized Shield Arms +5 magazine extension pre-installed. Our unique, easy access floor plate design allows you to quickly access the spring and follower without having to remove the extension from the magazine body. Comes with a 100% lifetime warranty, and the Shield Arms Spring for Life guarantee.

Does not fit the Glock 19X - see our Glock 19X extension here.

Magazine Extension Features

  • Unique easy access floor plate design to service or clean the magazine body without the need to remove the magazine extension from the magazine body.
  • Index cuts on the extension body to increase grip when coming out of a magazine pouch.
  • Machined from billet 6061 aluminum
  • Type 2 anodized
  • Adds 5 rounds to Glock 19 9mm
  • Comes with a +10% power spring
  • Fits OEM Glock magazines only
  • Proudly made in the USA
  • Patent Pending Design
  • Fits most aftermarket flared mag wells
  • Lifetime warranty
  • Tactical Toolbox YouTube Review

Please check your state and local laws regarding magazine capacity restrictions.

A brand new Glock 19 OEM 15 round 9mm magazine with an anodized Shield Arms +5 magazine extension pre-installed. Our unique, easy access floor plate design allows you to quickly access the spring and follower without having to remove the extension from the magazine body. Comes with a 100% lifetime warranty, and the Shield Arms Spring for Life guarantee.

Does not fit the Glock 19X - see our Glock 19X extension here.

Magazine Extension Features

  • Unique easy access floor plate design to service or clean the magazine body without the need to remove the magazine extension from the magazine body.
  • Index cuts on the extension body to increase grip when coming out of a magazine pouch.
  • Machined from billet 6061 aluminum
  • Type 2 anodized
  • Adds 5 rounds to Glock 19 9mm
  • Comes with a +10% power spring
  • Fits OEM Glock magazines only
  • Proudly made in the USA
  • Patent Pending Design
  • Fits most aftermarket flared mag wells
  • Lifetime warranty
  • Tactical Toolbox YouTube Review

Please check your state and local laws regarding magazine capacity restrictions.

Products specifications
Caliber 9mm
Pistol Model Glock 19
Glock Generation Gen 3-5
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Existing reviews
Benjamin 1/2/2019 8:01 PM
Customer Service
First I want to clarify that the G19 pre-installed mag extension I ordered was bought as a gift so I didn't get to do more than admire it before wrapping it. That being said I can remark on how pleasant it was ordering from Shield Arms. I made the mistake of forgetting that ordering the pre-installed mag extension would violate the asinine laws of my state of MD.

Shield Arms e-mailed me in less than two hours to make sure they wouldn't be violating any laws to get me into trouble. It was quickly and easily resolved, their response time to my new shipping address was near immediate, and the product shipped less than 48 hours after it was ordered. Again, I have no real experience using the product, but phenomenal customer service usually means the company puts equal effort into their product. Their customer service was such a great experience that I will be ordering some extensions for myself in the future.
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Products specifications
Caliber 9mm
Pistol Model Glock 19
Glock Generation Gen 3-5
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