Shield Arms S15 +5 Base Plate For S15 Magazine

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Product Overview

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


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