Polymer +5 extended magazine plate with a steel locking plate for factory full-size Glock 9mm and .40 magazines.
+12 more
Strike Industries' Extended Magazine Plate replaces the floorplate on a factory full-size Glock magazine with an impact-resistant polymer extension that adds five rounds. It ships with an extended-length spring and a steel locking plate held by a set screw, which keeps the extension from walking off the tube. Strike calls the angular shape a low-drag, no-snag design.
Strike lists it for factory OEM double-stack Glock 17, 17L, 19X, 22, 24, 34, 35, and 45 magazines, and for ETS magazines over 10 rounds. It does not fit 10-round magazines. Strike states it is tested with its own magwell plus Magpul and JP Enterprises magwells. It measures 50.24 by 27.83 by 35.14 mm and weighs 1.0 ounce.

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Add the Strike Industries Extended Magazine Plate +5 (Glock 17/22) to your build and see how it enhances your platform.