The Shield Arms S15 Magazine Extension adds 5 rounds to your S15 magazine. The easy access floor plate design allows you to quickly access the spring and follower without having to remove the 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