The Shield Arms Magazine Extension for Glock 17/22/34/35/19X/45 adds 5 rounds to your Glock 17/19X/34/45 magazine, and 4 rounds to your Glock 22/35 magazine. Their unique, easy access floor plate design allows you to easily access the spring and follower without having to remove the extension from the magazine body. Comes with a 100% lifetime warranty, and the Shield Arms Spring for Life guarantee.

• Unique easy access floor plate design
• Index cuts on the extension body
• Machined from billet 6061 aluminum
• Type 2 anodized
• Comes with a +10% power spring
• Fits OEM Glock 13 and 15 round magazines only
• Proudly made in the USA
• Fits most aftermarket flared mag wells
• Lifetime warranty