Shield Arms Red Magazine Extension +5/+4 for Glock

Upgrade your Glock 17/22/34/35/19X/45 with the Shield Arms Red Magazine Extension. Adding 5 rounds to your Glock 9mm magazines and 4 rounds to .40 S&W magazines, this extension is perfect for enhancing capacity. The unique easy access floor plate design ensures quick maintenance without disassembly. Machined from durable billet 6061 aluminum and Type 2 anodized, this extension promises longevity and reliability. It comes with a +10% power spring and fits OEM Glock magazines, including most aftermarket flared mag wells. Proudly made in the USA.