Springfield XD MOD.3 OSP 4" Holster Our Springfield XD MOD.3 OSP 4" holster was designed and crafted using our high-tech proprietary process to exacting specifications. We’re so confident in our holsters that we back them up with a lifetime warranty and 30-day free returns. The Base Springfield XD MOD.3 OSP 4" IWB holster is designed for EDC and all-day comfort. It can be worn cross-draw, appendix, strong side, or all the way to small of the back. It fully protects the trigger and mag release for ultimate safety.If you have a Springfield XD MOD.3 OSP 4" with optics or red dot, we have you covered with our optics ready cut. The optics cut is compatible with or without optics, so if you plan to add one later, getting the optics cut now is a good idea.