The Shield Arms S15 Magazine Extension adds 5 rounds to your S15 magazine. It's 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.
Features:
• 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
• Lifetime warranty
