The XTech Tactical MTX Magazine Extension was years in the making and took insights from the most demanding users including Navy Seals, elite law enforcement and Border Patrol instructors. Testing has surpassed 10,000 rounds on dozens on platforms. The two-piece housing design allows the MTX to incorporate a patented leading edge on the inner housing that extends into the magazine tube. This eliminates the catch point at the transition between the extension and the magazine body, ensuring flawless feeding. No other magazine extension on the market offers this design.One feel in the hand makes it immediately clear this extension is in a class of its own. The external geometry supports fast magazine changes and a natural blind index, meaning you can orient the magazine without looking. This helps maintain situational awareness and confident handling. The texture, tread pattern, and side scallops work together for reliable use with or without gloves. The MTX is the last magazine extens...