A brand new Glock 17 OEM 17 round 9mm magazine with an anodized Shield Arms +5 magazine extension pre-installed. Our unique, easy access floor plate design allows you to quickly 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.

Magazine Extension Features

• Unique easy access floor plate design to service or clean the magazine body without the need to remove the magazine extension from the magazine body.

• Index cuts on the extension body to increase grip when coming out of a magazine pouch.

• Machined from billet 6061 aluminum

• Type 2 anodized

• Adds 5 rounds to Glock 17 9mm

• Comes with a +10% power spring

• Fits OEM Glock magazines only

• Proudly made in the USA

• Fits most aftermarket flared mag wells

• Lifetime warranty

Please check your state and local laws regarding magazine capacity restrictions.