The following is a Press Release from XTech Tactical:
Mesa, AZ- XTech Tactical, LLC an innovative firearms accessory manufacturer expands line of its patent pending MTX magazine extensions. First seen for the VP/P30 full size H&K pistols, the MTX compatible with the M&P, M&P 2.0 full size, and Caracal Enhanced F pistols is now shipping! These are anything but industry standard magazine extensions.
The MTX for the M&P uses the patent pending design that is robust, durable, offers flawless feeding, while requiring no tools for installation. The magazine extension uses military grade reinforced polymers, and the inner housing offers the patent pending “Leading Edge” eliminating any catch point during the transfer from the extender into the magazine tube. The kit includes both the extender parts and a custom engineered stainless-steel spring. All components are 100% Made in the US.
MSRP for the MTX M&P Magazine Extension is $29.95 with two packs available for $49.95. The kit adds 5 rounds for 9mm and 4 rounds for .40 S&W.
XTech Tactical, LLC also has released 5 pack (15rd, $165/20rd $237.25) and 10 pack (15rd, $300/20rd $449.50) for their US Made, Stainless Steel, Teflon coated completed VP9/P30 9mm full size magazines.
For more information on how the MTX Extenders work here is a video overview: https://www.youtube.com/watch?v=u2ImWA740p0
They can be purchased at www.xtechtactical.com, and they offer great dealer programs.