Glock 19/23 – Magazine Extension – +5 Rounds – G1923MEXT
Backup Tactical (MPN: BACKG1923MEXT / G1923MEXT color series) makes this +5 magazine extension for Glock 19 / 23 magazines to boost capacity and give you more to grab during reloads. It’s precision-machined aluminum with a corrosion-resistant anodized finish and a “frag” pattern that adds grip and a sharp custom look. Available colors: Black, Flat Dark Earth (FDE), Blue, and Red.
Fitment
- Glock 19 magazines
- Glock 23 magazines
Does NOT fit
- Not confirmed for Glock 17 / 22 magazines on this specific model series — do not buy it for those unless you have verified your exact magazine body compatibility.
What it does
- Adds +5 rounds to Glock 19 / 23 magazines
- Improves reload control with a longer, more positive base to index off of
- Replaces the factory baseplate with an aluminum extension built for hard use
Why it’s worth it
- Lightweight aluminum body with an anodized finish for corrosion resistance
- Frag pattern texture helps with purchase, especially under speed or stress
- Includes the spring and securing pin so you’re not cobbling parts together
- Lifetime warranty backing (per major retailer listings)
Specs
- Capacity increase: +5 rounds
- Material: Aluminum
- Finish: Anodized
- Design: Frag pattern
- Compatible with: Glock 19 / 23 magazines
- Color options: Black, Flat Dark Earth (FDE), Blue, Red
What’s included
- Magazine extension
- Spring
- Securing pin
Install notes
- Install with the included spring and securing pin.
- After install: verify the mag seats, locks, and feeds correctly before trusting it for carry or duty use.
PLEASE DOUBLE CHECK DETAILS AND FITMENT BEFORE PURCHASE.
⚠ Install & Compatibility Disclaimer: Magazine extensions and springs can affect feeding reliability and safe function. Proper installation and function testing are required. If you’re not confident, have a qualified armorer/gunsmith install and verify operation.
Buyer is responsible for compliance with all local/state laws regarding magazine capacity.
⚠ Glock Disclaimer
IronKells Armory LLC is not affiliated with, endorsed by, or sponsored by Glock, Inc. or Glock Ges.m.b.H.
All references to GLOCK® are used solely to identify firearm models, parts compatibility, and fitment information for customers. Glock is a federally registered trademark of Glock, Inc. and Glock Ges.m.b.H.
Any product sold on this site referencing Glock is aftermarket, not OEM, and is not manufactured by Glock. Glock does not warranty, authorize, or guarantee the performance, safety, or reliability of any third-party components or modifications.
Firearm parts should be installed by a qualified armorer or gunsmith. Improper installation, modification, or use of aftermarket components may affect firearm safety, reliability, and void manufacturer warranties. By purchasing and installing third-party parts, the buyer assumes all responsibility for safe handling, installation, function testing, and use of their firearm and accessories.