This patent-pending process results in a grip module that has the weight of steel and the flex of polymer. PF320PTEX Grip Module - Flat Dark Earth. A lot of separate companies also produce their version of the grip modules with unique and custom features. var shrs_empty =''; var shrs_MAP83375_loadSubPage = function (pageNum, aEl){ try{ var arrPage = shrs_getElementsByClassName(document.getElementById('shrs_MAP83375_target'), 'MAP83375_pagedDisplay'); var pageToshow = document.getElementById('MAP83375_page'+pageNum); var menuEl = document.getElementById('shrs_MAP83375_pagingListEl'); var dspCurrentPage = document.getElementById('shrs_MAP83375_pagingDspCurrentPage'); for (var i=0;i