This Shield Arms S15 Gen 2 PowerCron 15 round 9mm magazine features their anodized Shield Arms +5 magazine extension pre-installed. Their 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.

Features :
Unique easy access floor plate
Index cuts on the extension body
Machined from billet 6061 aluminum
Type 2 anodized
Adds 5 rounds to Shield Arms S15 Gen 2 magazine
12 coil plus power spring
Proudly made in the USA
Fits most aftermarket flared mag wells