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 the S15 magazine • Comes with a 12 coil plus power spring • Fits Shield Arms S15 magazine only • Proudly made in the USA • Fits most aftermarket flared mag wells
