XTech Tactical MTX Magazine Extension for Smith & Wesson M&P

The Full-Size M&P9® and M&P9 2.0® +5 Magazine Extender is compatible with factory magazines and installs in seconds. Unlike other extenders on the market, The Patented design of the MTX® permits for a consistent internal wall throughout the extender, which is smaller than the magazine tube. The included spring was engineered specifically for the M&P9® line to allow for unmatched reliability and last round slide hold open.

XTech® Tactical’s MTX® line of extenders are simply unmatched for reliability, ease of installation, and durability!"