I have a shell for gen2 mtac holster for sale $25 shipped in perfect condition this fits m&p 9/40/45 this is slide version (no lip on bottom) so it fits all frame sizes of the three calibers WITHOUT thumb safety. See comp-tacs site on how to measure and see if you have gen1 or gen2 http://www.comp-tac.com/product_info.php?products_id=98. this shell is in the right pic