The Warne S&W M&P 9/40 Magazine Extension is an aluminum extension designed to fit factory Smith & Wesson M&P 9/40 magazines. This extension gives an extra 3 rounds for 9mm models and an extra 2 rounds for .40 S&W models. Grab a few Warne S&W M&P 9/40 Magazine Extensions to increase time between reloads at the range today!
These extensions feature an ergonomic shape that allows for better insertion, and finger grooves, allowing the magazine to be stripped from the handgun if needed.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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