Smith & Wesson M&P15 .22LR Magazine Shim
Normally designed only to fit the smaller mag. well of the Smith & Wesson M&P®15-22 .22 LR series of firearms, the M&P®15-22 is magazine is the best .22LR AR magazine on the market. This JP-designed shim can be installed an any M&P®15-22 magazine to adapt it for use in standard AR magazine wells for your AR rimfire conversion. Each shim includes applied adhesive for easy application.