Brownells 75th Anniversary - A Shooting Heritage
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The Shield Arms S15 Magazine Extension adds 5 rounds to your S15 magazine. Their 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.
Unique easy access floor plate design to service or clean the magazine body without the need to remove the magazine extension from the magazine body.

  • Fits Shield Arms S15 magazine only
  • 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 an 11 coil plus power spring
  • Proudly made in the USA
  • Fits most aftermarket flared mag wells
  • Lifetime warranty
  • Please check your state and local laws regarding magazine capacity restrictions


Big Book Catalog, Issue:73, Page:229

SHIELD ARMS - S15 MAGAZINE EXTENSION FOR GLOCK® G43X/G48

Online Only
In Stock

Style: Extension