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JL Billet 9/40 Glock Double Stack Magazine Extension Color: Black, Fabric/Material: 6065 Aluminum, 19% Off

JL Billet 9/40 Glock Double Stack Magazine Extension, Black, Black, 0, JLB-MAG-EXT-G-B-2/3
JL Billet 9/40 Glock Magazine Extension, Double Stack, Black, JLB-MAG-EXT-G-B-2/3
JL Billet 9/40 Glock Double Stack Magazine Extension, Black, Black, 0, JLB-MAG-EXT-G-B-2/3
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JL Billet 9/40 Glock Double Stack Magazine Extension, Black, Black, 0, JLB-MAG-EXT-G-B-2/3
JL Billet 9/40 Glock Magazine Extension, Double Stack, Black, JLB-MAG-EXT-G-B-2/3
2 of 2 images
JL Billet 9/40 Glock Magazine Extension, Double Stack, Black, JLB-MAG-EXT-G-B-2/3

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Questions & Answers
Does it come with its spring or do I need to buy the spring separately? Manufacturer Answer

They do not include the spring, if you have issues with the original Glock magazine spring, you will want an extra power spring to prevent feeding issues.

by JL Billet, Manufacturer, November 27, 2024
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Negative Review
Does not work, retaining lips on the extension aren't machined well by ThatFilippino, Verified Owner, September 28, 2024
Possibly an Incorrect Posting by OP: I can't tell if the Optics Planet posting is incorrect. Item description says that this extension can be used with g19 magazines. However, the Title has "9/40". I don't have a glock 9 or 40 or even know if they e...
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On Sale

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This item is currently on sale and has a new, lower price!
Color:
Black
Fabric/Material:
6065 Aluminum
Finish:
Type III Hardcoat Anodized
Magazine Capacity:
5 Round
Caliber:
.40 S&W, 9mm Luger
Gun Make:
Glock
Gun Model:
Glock 17, Glock 17L, Glock 19, Glock 19X, Glock 22, Glock 23, Glock 26, Glock 27, Glock 34, Glock 35
Condition:
New

Code: 3KR-PME-GHT7N9-JLB-MAG-EXT-G-B-2-3-0RD

MPN: JLB-MAG-EXT-G-B-2/3

UPC: 617407024623

On Sale
List: $24.95Save 20%
$19.99

Product Info for JL Billet 9/40 Glock Double Stack Magazine Extension

The JL Billet GLOCK magazine extension add +2/3 rounds for .40 S&W and 9mm caliberimage

WARNING: California`s Proposition 65

Specifications for JL Billet 9/40 Glock Double Stack Magazine Extension:

Manufacturer: JL Billet
Color: Black
Fabric/Material: 6065 Aluminum
Finish: Type III Hardcoat Anodized
Magazine Capacity: 5 Round
Caliber: 9mm Luger, .40 S&W
Gun Make: Glock
Gun Model: Glock 35, Glock 34, Glock 22, Glock 17L, Glock 17, Glock 27, Glock 23, Glock 19, Glock 19X, Glock 26
Condition: New

Features of JL Billet 9/40 Glock Double Stack Magazine Extension

  • The JL Billet magazine extension is hard anodized to take whatever your situation requires, while being a combination of aesthetics and function, to give you a competitive edge no matter the situation.

Package Contents:

  • JL Billet 9/40 Glock Double Stack Magazine Extension

What firearm models does the manufacturer say JL Billet 9/40 Glock Double Stack Magazine Extension is compatible with?

The manufacturer suggests that JL Billet 9/40 Glock Double Stack Magazine Extension is compatible with Glock 19, Glock 23, Glock 26, Glock 27, Glock 17, Glock 17L, Glock 22, Glock 34, Glock 35, Glock 19X

JL Billet 9/40 Glock Double Stack Magazine Extension Orderable Models

List of Orderable Models

  • JL Billet 9/40 Glock Double Stack Magazine Extension, Black, Black, 0, JLB-MAG-EXT-G-B-2/3 , MPN: JLB-MAG-EXT-G-B-2/3 , UPC: 617407024623 , Code: 3KR-PME-GHT7N9-JLB-MAG-EXT-G-B-2-3-0RD

JL Billet 9/40 Glock Double Stack Magazine Extension Unavailable & Discontinued Models

List of Unorderable Models

  • Open Box, Dealer Demo, JL Billet 9/40 Glock Magazine Extension, Double Stack, Black, JLB-MAG-EXT-G-B-2/3 , MPN: JLB-MAG-EXT-G-B-2/3-DMO , Code: 3KR-PME-GHT7N9-JLB-MAG-EXT-G-B-2-3-5RD-DMO
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Last updated 2026-09-12 UTC.