Shield Arms 9mm 5 Round Magazine Extension for Glock 19/23

The Shield Arms magazine extension for Glock 19/23 platforms increases capacity by 5 rounds on Glock 19 magazines and 4 rounds on Glock 23 magazines. The design features a unique floor plate that provides quick access to the spring and follower, eliminating the need to separate the extension from the magazine body. This product is backed by a 100% lifetime warranty and Shield Arms’ Spring for Life guarantee.