The Shield Arms S15 Magazine Extension adds 5 rounds to your S15 magazine. Our 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.
Unique easy access floor plate design
Index cuts on the extension body
Machined from billet 6061 aluminum
Type 2 anodized
Adds 5 rounds to gen 2 or gen 3 Magpul PMAG
Designed to work with OEM spring
Proudly made in the USA
Fits most aftermarket flared mag wells
Stock Notice: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.