FEATURES
-Replaces the magazine floor plate adding two rounds capacity to Glock factory
M20, M21, M29, M40 & M41 magazines
-Used on high capacity magazines only, it will not work on the 10-round M20 & M21 magazines
-Not for use on Glock M30 10-round magazines
-Works on 3rd & 4th Generations
-Works on Glock M30 9-round magazines, enabling the magazine to hold 11 rounds
-Made from High Impact Polymer & withstand temperatures from -20F to 350F