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Agency Arms Extended Magazine Release, Glock Gen4 Up to 30% Off — 2 models

Agency Arms Extended Magazine Release, Glock Gen4, Left Hand, Black MR-G4-LH-B
Agency Arms Extended Magazine Release, Glock Gen4, Left Hand, Black MR-G4-LH-B
Agency Arms Extended Magazine Release, Glock Gen4, Right Hand, Black, MR-G4-RH-B
Agency Arms Extended Magazine Release, Glock Gen4, Left Hand, Black MR-G4-LH-B
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Agency Arms Extended Magazine Release, Glock Gen4, Left Hand, Black MR-G4-LH-B
Agency Arms Extended Magazine Release, Glock Gen4, Left Hand, Black MR-G4-LH-B
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Agency Arms Extended Magazine Release, Glock Gen4, Left Hand, Black MR-G4-LH-B
Agency Arms Extended Magazine Release, Glock Gen4, Right Hand, Black, MR-G4-RH-B
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Agency Arms Extended Magazine Release, Glock Gen4, Right Hand, Black, MR-G4-RH-B

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Questions & Answers
Will this fit shawdow system MR920 ? Expert Answer

Yes. This Agency Arms Extended Magazine Release is compatible with your Shadow Systems MR920, since the MR920 uses Gen 4 style Glock magazine releases.

by Ethan, Gear Expert, July 8, 2022
The Agency website claims they have the gen 4/5 model which should fit the 19 gen 5 right?

This item fits the gen 5 model

by Person, Verified Owner, November 2, 2021
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Customer Reviews
Most Recent Reviews Agency Quality by Gary T, Verified Owner, July 13, 2025
Great quality as expected, serrations grab my thumb pretty hard even with some sweat and dirt mixed in
Most Recent Reviews Good, Functional Extended Mag Release by J.R., Verified Owner, November 18, 2023
Comparable to most extended mag releases I’ve ever used at the same price point. There’s nothing special about it, necessarily, but it does feel more durable. I’d recommend buying it for sure. The installation process is pretty straight forward and o...
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Product Info for Agency Arms Extended Magazine Release, Glock Gen4

The Agency Arms Billet Magazine Release is a direct replacement for a majority of Glock Gen 4 pistols. It features a serrated and enlarged face that is 3/64" longer than the standard magazine release. Machined from 6061 Aluminum and MIL-A-8625 Type 3 Hard Anodized. Aluminum and MIL-A-8625 Type 3 Hard Anodized. Right Hand Orientation.image

Will not fit wide frames or single stack frames.

Specifications for Agency Arms Extended Magazine Release, Glock Gen4:

Manufacturer: Agency Arms
Gun Make: Glock
Model Generation: 4
Color: Black
Fabric/Material: 6061 Aluminum

Features of Agency Arms Extended Magazine Release, Glock Gen4:

  • Direct replacement part
  • enlarged serrated pad
  • extended by 3/64"
  • Machined from 6061 and MIL-A-8625 Type 3 Hard Anodized

Package Contents:

  • Agency Arms Extended Magazine Release, Glock Gen4

Agency Arms Extended Magazine Release, Glock Gen4 Orderable Models

List of Orderable Models

Agency Arms Extended Magazine Release, Glock Gen4, Left Hand, Black, MR-G4-LH-B , MPN: MR-G4-LH-B , Code: 3AF-EMR-EMR-MR-G4-LH-B
Agency Arms Extended Magazine Release, Glock Gen4, Right Hand, Black, MR-G4-RH-B , MPN: MR-G4-RH-B , Code: 3AF-EMR-EMR-MR-G4-RH-B
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