I have two xm18 3" first is a gen4 slicer non flipper all stonewashed nib and second is a xm18 3" spanto non flipper which has been carried and resharpened but in excellent shape. what im looking to do is trade into a gen4 flipper spanto with one of these. please email me for pic's and questions. joshjeschke@yahoo.com cash added if needed please send pics as i will do the same. thanks all.