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The unbranded Smith & Wesson M&P Shield Magazine Extension adds 2 rounds to OEM 9mm magazines, and 1 round to OEM .40 S&W. Fits both 7/8 round magazines in 9mm, and 6/7 round magazines in .40 S&W.
Our unique, easy access floor plate design allows you to easily access the spring and follower without having to remove the extension from the magazine body. Comes with a 100% lifetime warranty.
Please check your state and local laws regarding magazine capacity restrictions.
We now offer custom laser engraving for orders of 10 or more extensions. If the custom logo option is selected, you can send your logo to firstname.lastname@example.org to get started.