‘+4 MAGAZINE EXTENSION FOR G43X/48

Description

Dominate the Firepower Gap: +4 Magazine Extension for G43X/48

The Glock 43X and 48 are widely considered the pinnacle of concealed carry—slim, reliable, and easy to hide. However, in a defensive situation, every round counts. Why carry “enough” when you can carry superior?

At ArmsCor USA, we are proud to introduce the highly anticipated +4 Magazine Extension for G43X/48. Designed specifically for the factory stagger-stack magazines of the 43X and 48, this extension bridges the gap between concealability and capacity.

Why Upgrade Your G43X/48 Magazine?

• +4 Round Capacity: Immediately boost your firepower. Transform your standard magazine into a high-capacity powerhouse without the bulk of a full-size grip.

• Superior Ergonomics: The extended base pad provides a positive surface for your pinky finger, offering a more secure and comfortable full-hand grip on the firearm. This translates to better recoil control and faster follow-up shots.

• Built for Duty: Machined from high-strength aluminum and finished to match your slide, this extension is built to withstand the rigors of daily carry and extensive range use. It’s not just functional; it’s an aesthetic upgrade that looks clean and professional.

Complete Reliability – Included Spring Upgrade

We don’t just give you more space; we ensure it works 100% of the time. Adding capacity without addressing spring tension is a recipe for failure. That is why every +4 Magazine Extension for G43X/48 purchased from ArmsCor USA includes a specifically engineered replacement magazine spring.

This extended spring provides the necessary tension to feed the additional rounds reliably, ensuring that your firearm cycles every single time, whether you’re carrying defensive hollow points or shooting cheap range ammo.

Get the Perfect Setup

Prefer a ready-to-go solution? We offer this extension pre-installed on a factory-spec magazine. [Click here to save on the Magazine + Extension Combo!]

Buy ‘+4 MAGAZINE EXTENSION FOR G43X/48 Online | ‘+4 MAGAZINE EXTENSION FOR G43X/48 For Sale

Get the extra rounds you need and the style you want… now in your perfect concealed carry gun!

These attractive and functional magazine extensions, previously only available for other Glock models are now available for your 43X/48 stagger stack magazines! Each extension also comes with a replacement spring to ensure proper feeding of every round.

Sold separately or pre-installed on the magazine of your choice… go here to save on the combo!

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Technical Specifications

• Compatibility: Glock 43X / Glock 48 (Fits OEM Stagger-Stack Magazines)

• Capacity Increase: +4 Rounds

• Material: Aircraft-Grade 6061 Aluminum

• Finish: Type III Hard Coat Anodized (Black)

• Color: Matte Black

• Included: (1) Magazine Extension & (1) +4 Power Replacement Spring

• Installation: Simple hand installation with basic tools (punch recommended).

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Frequently Asked Questions

Q: Will this +4 Magazine Extension fit my Glock 43 (Single Stack)?
A: No. This extension is specifically designed for the Glock 43X and Glock 48 “Slimline” frames that use the stagger-stack (wider) magazine. It will not fit the single-stack Glock 43.

Q: Do I need to modify my magazine or buy new followers?
A: No modification is needed. This kit is designed to work with your existing OEM magazine body and follower. Simply remove the factory base plate, install the new spring (provided), and attach the ArmsCor USA extension.

Q: Does this affect the concealability of my G43X/48?
A: Not in a negative way. The extension adds length to the magazine grip, not width. For most users, this actually improves concealability by preventing “tilt” and providing a better purchase for your hand when drawing. The width remains the same as the stock grip.

Q: Is this legal in my state?
A: Magazine capacity laws vary by state and municipality. It is the responsibility of the buyer to know and comply with all local laws regarding magazine capacity before purchasing this +4 Magazine Extension for G43X/48.

Q: How difficult is it to install?
A: It is a simple DIY project. Using a punch tool to depress the magazine spring retainer, you can slide off the old base plate and slide on the new one. We recommend watching our installation video or proceeding carefully to avoid launching small parts across the room!

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Why Buy From ArmsCor USA?

• Guaranteed Reliability: We stand by our products. If it doesn’t work for your EDC, neither should you.

• Fast Shipping: All in-stock orders ship within 24 hours.

• Expert Support: Our team carries the same gear we sell. We are here to answer your questions.