Up until a few months ago, I carried a Sigma (SW40GVE), which is the same size as the SD, everyday for several years. Carried IWB in a Kholster at about 4:30 (strong side) with a Wilderness Tactical 5-stitch Instructor Belt. Spare mag was carried rear pocket, weak side. My EDC is now a M&P40c in the same rig. This is a VERY comfortable setup with either gun. Have worn for 16+ hours at a time on many occasions.