The Shield Arms S15 Magazine Extension adds five rounds to your S15 magazine. Their unique, easy-access floor plate design allows you to quickly access the spring and follower without removing the extension from the magazine body.

• Compatible with Shield Arms S15 magazine
• Adds 5 rounds to the S15 magazine
• Index cuts for increased grip when reloading
• Machined from billet 6061 aluminum
• Color: Black