1. What I carry, XD40 SC
2. What I Carry It In, T.Rex Sidecar Appendix Rig
3. Why I Carry That Particular Gun In That Particular Holster, Medium between 45 and 9mm. Holds more than my 1911 and punches a little more than my 9mm. Appendix carry is easier to draw from standing and sitting than strong side.