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The Smith and Wesson Sigma 40 has been a popular semi-automatic pistol from Smith and Wesson since it was first released. One of the first pistols to be produced by Smith and Wesson using polymers the Sigma 40 paved the way for the new M&P line at Smith and Wesson.
With most Sigma 40's sold today being used pistols there is a clear need for new factory magazines. These factory Smith and Wesson Sigma 40 magazines are perfect to ensure reliable performance with your Sigma 40. By purchasing extra factory magazines you can also increase your practice time at the range. The more magazines you own the more time you can spend shooting rather than reloading.