Shield Arms115847218
Shield Mag Extension +5/4 for Glock 19/23 - Gray$37.50
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Availability: In Stock
The Backup Tactical Enhanced Capacity Red Mag Extension for Glock 19/23 is a straightforward way to add five rounds to your carry or duty magazine. If you shoot a Gen 3 or Gen 4 Glock 19 or 23, this aluminum extension simply bolts to the base of your existing magazine, increasing capacity without requiring an entirely new magazine. It arrives with the spring and securing pin you need for installation—no trips to the gunsmith required.
Built from anodized aluminum with a distinctive frag-pattern finish, the extension is as durable as it is practical. Five extra rounds might not sound like much, but in a defensive situation or at the range, they add up. The red finish makes your extended magazine visually distinct from your standard-capacity mags, which is genuinely handy for keeping your gear organized if you run multiple magazines.
Installation is quick: align the extension, secure it with the included pin, and verify the spring seats properly. Once mounted, your magazine will sit slightly lower in the mag well—something to keep in mind if you rely on tactical load or magazine exchanges under pressure. The extension is compatible only with Glock 19 and 23 magazines; don't try fitting it to other platforms.
| Brand | Backup Tactical |
| Compatibility | Glock 19/23 magazines |
| Capacity Increase | +5 rounds |
| Material | Anodized aluminum |
| Finish | Red frag pattern |
| Included | Spring and securing pin |
Yes, this extension is designed specifically for Glock 19 and 23 magazines. It will not fit other Glock models or non-Glock platforms.
The extension includes the aluminum base, a spring, and a securing pin. Everything you need to install it is included—no additional hardware required.
No. Installation is straightforward and requires no special tools. Align the extension, insert and secure the pin, and ensure the spring seats properly in the magazine.
Yes, but the magazine will sit slightly lower in the magwell due to the extension. This is normal and does not affect reliable feeding or function.
SKU: 115696379 • Width: 3in • Height: 1.25in • Depth: 8.5in • Weight: 0.13oz
Availability: In Stock
The Backup Tactical Enhanced Capacity Red Mag Extension for Glock 19/23 is a straightforward way to add five rounds to your carry or duty magazine. If you shoot a Gen 3 or Gen 4 Glock 19 or 23, this aluminum extension simply bolts to the base of your existing magazine, increasing capacity without requiring an entirely new magazine. It arrives with the spring and securing pin you need for installation—no trips to the gunsmith required.
Built from anodized aluminum with a distinctive frag-pattern finish, the extension is as durable as it is practical. Five extra rounds might not sound like much, but in a defensive situation or at the range, they add up. The red finish makes your extended magazine visually distinct from your standard-capacity mags, which is genuinely handy for keeping your gear organized if you run multiple magazines.
Installation is quick: align the extension, secure it with the included pin, and verify the spring seats properly. Once mounted, your magazine will sit slightly lower in the mag well—something to keep in mind if you rely on tactical load or magazine exchanges under pressure. The extension is compatible only with Glock 19 and 23 magazines; don't try fitting it to other platforms.
| Brand | Backup Tactical |
| Compatibility | Glock 19/23 magazines |
| Capacity Increase | +5 rounds |
| Material | Anodized aluminum |
| Finish | Red frag pattern |
| Included | Spring and securing pin |
Yes, this extension is designed specifically for Glock 19 and 23 magazines. It will not fit other Glock models or non-Glock platforms.
The extension includes the aluminum base, a spring, and a securing pin. Everything you need to install it is included—no additional hardware required.
No. Installation is straightforward and requires no special tools. Align the extension, insert and secure the pin, and ensure the spring seats properly in the magazine.
Yes, but the magazine will sit slightly lower in the magwell due to the extension. This is normal and does not affect reliable feeding or function.
SKU: 115696379 • Width: 3in • Height: 1.25in • Depth: 8.5in • Weight: 0.13oz