The Shield Arms 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.
- 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.
- Index cuts on the extension body to increase grip when coming out of a magazine pouch.
- Machined from billet 6061 aluminum
- Type 3 anodized
- Adds 2 rounds to Smith & Wesson M&P Shield 9mm 7 and 8 round magazines
- Adds 1 round to Smith & Wesson M&P Shield .40 S&W 6 and 7 round magazines
- Fits OEM Smith & Wesson M&P Shield magazines only
- Proudly made in the USA
- Patent Pending Design
- Lifetime warranty
- Optional cerakote by Ely Yerian Designs
Please check your state and local laws regarding magazine capacity restrictions.