Arredondo +5/+6 Base Pad — The Strongest Glock Mag Extension (Won't Pop Off)

Published on February 10, 2026
Duration: 8:30

This guide details the installation of the Arredondo +5/+6 base pad for Glock magazines, enhancing capacity to 23 rounds for a Glock 17 9mm. The hardened polymer extension features a secure two-piece clamping mechanism, designed to be more durable than metal alternatives. The speaker, demonstrating high authority, highlights its reliability and compares it favorably against other options like Magpul PMAGs, despite potential minor fitment adjustments with certain magwells.

Quick Summary

The Arredondo +5/+6 base pad enhances Glock 17 9mm magazines to 23 rounds using a durable, hardened polymer construction. Its two-piece clamping mechanism offers superior security over traditional extensions, preventing detachment during use or drops.

Chapters

  1. 00:00Introduction to Arredondo Base Pads
  2. 00:16Design and Durability Features
  3. 01:25Secure Clamping Mechanism Explained
  4. 02:31Comparison: Arredondo vs. Magpul PMAGs
  5. 03:43Magwell Compatibility Test
  6. 04:31Step-by-Step Installation Guide

Frequently Asked Questions

What is the capacity increase provided by the Arredondo +5/+6 base pad?

The Arredondo +5/+6 base pad increases the capacity of a 9mm Glock 17 magazine to 23 rounds. For .40 S&W magazines, it provides a +5 round increase.

Why is the Arredondo base pad considered durable?

The Arredondo base pad is constructed from hardened polymer, making it resistant to breaking or popping off upon impact, unlike some metal extensions. This design ensures reliability even after drops.

How does the Arredondo base pad attach to the magazine?

It utilizes a unique two-piece clamping design that slides over the magazine base and snaps together, providing a secure fit that is more robust than traditional pin-retained extensions.

Is the Arredondo base pad compatible with all Glock models and magwells?

It is designed for Glock 17 and Glock 19 magazines. While generally compatible, some competition magwells may require slight force for full seating due to the base pad's profile.

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