GLOCK OEM Magazine Extension 9/40/357

Product Description

The GLOCK OEM magazine extension insert for 9mm, 40S&W, and 357 SIG is a genuine factory component. This insert increases magazine capacity by two rounds. Moreover, it maintains GLOCK’s legendary reliability standards without compromise.

Additionally, this OEM insert works with standard GLOCK pistols. However, it is not compatible with G42 or G43 frames. Furthermore, the insert features GLOCK’s professional black finish. Therefore, you get authentic factory quality for serious shooters.

Key Features & Compatibility

Indeed, this extension insert provides reliable performance you can trust. The GLOCK OEM magazine extension insert installs quickly on compatible magazines. Besides, GLOCK engineering ensures zero reliability issues or feeding problems. As a result, you get increased capacity with complete confidence.

Next, this component suits competitive shooters and defensive users alike. Consequently, you can carry more ammunition without changing magazines. In addition, GLOCK OEM parts ensure proper fitment and function. Finally, it delivers the capacity increase serious shooters demand.

Perfect for Firearm Customization & Performance Upgrades

The GLOCK OEM magazine extension insert is ideal for DIY maintenance and performance optimization. Upgrading your magazine capacity takes minimal effort and delivers immediate results. Moreover, thousands of shooters nationwide rely on this plus-two design. Therefore, upgrading works seamlessly with your existing GLOCK magazines.

Note: You must purchase the OEM Plus Two Magazine Extension base separately. The insert alone requires the extension base for proper installation. Both components work together for the complete upgrade.

Available at Western Sport – Roanoke, TX

Western Sport is a licensed FFL/SOT dealer serving the North Texas and DFW area since 2007. We stock genuine GLOCK OEM parts you can depend on. Call us at 817-393-4000 to confirm availability or ask questions about your specific GLOCK model.

Why Buy from Western Sport?

• Licensed FFL/SOT dealer with 15+ years serving North Texas shooters.
• We stock only genuine OEM GLOCK components for guaranteed quality and compatibility.
• Knowledgeable staff understand firearms and help you find the right parts.
• Competitive pricing, fast shipping, and expert customer service before and after purchase.
• Local Roanoke, TX location makes it easy to verify fit and get instant advice.

Frequently Asked Questions

Q: Is this GLOCK extension insert compatible with my G42 or G43?

A: No, this insert is not compatible with G42 or G43 frames. It works with standard 9mm, 40S&W, and 357 SIG GLOCK pistols only. Check your specific GLOCK model before ordering to ensure compatibility.

Q: Do I need to purchase anything else to install this insert?

A: Yes, you must purchase the OEM Plus Two Magazine Extension base separately. The insert alone requires the extension base for proper installation. Both components work together for the complete plus-two upgrade.

Q: Will this magazine extension affect reliability or feeding performance?

A: No, genuine GLOCK OEM components maintain factory reliability standards. The insert is engineered by GLOCK for perfect function. Thousands of shooters use this extension without any issues.

Q: Is this extension legal to own in Texas?

A: Magazine extensions are legal in Texas and most states. However, laws vary by jurisdiction, so check your local regulations. Western Sport recommends verifying legality in your specific area before purchasing.

Additional information