Difference between TT AMT S300 and AMT S400https://www.titleist.de/teamtitleist/team-titleist/f/golf-clubs/32783/difference-between-tt-amt-s300-and-amt-s400 Hi Everyone, I have been trying to find some more information about the difference between the True Temper AMT S300 and True Temper AMT S400 (regular or Tour issue). Can anyone help with explaining what the difference is? I&amp;#39;m assuming that it isen-USTelligent Community 10RE: Difference between TT AMT S300 and AMT S400https://www.titleist.de/teamtitleist/thread/157283?ContentTypeID=1Sat, 09 Apr 2016 15:02:56 GMT9ab519fc-5311-4952-85cd-0a0ceffb73fb:a95d1917-fa9e-4ca2-9408-5cc0221a3daaTim SI think the S models are tour spec, so the designs specs are tighter.....not quite sure though<div style="clear:both;"></div>