I believe the sheath is left handed so a pistol can go on the right side. But it's not really a big deal, the sheath isn't fancy anyway, and I converted mine to be right handed.
Where are folks buying the MOD blade blanks?? I reckon I could enjoy handling one in something fancy and giving it a proper make over. All I done with my old one was ciut off and shape the back guard, reprofile/sharpen, strip that powdery blade coating, sculpt the handle and then give it a bit of rubber heat shrink tubing for added grip. Although mine was razor sharp, I used it mostly for batoning bits of wood for bbqs and stuff, although I did do a spoon with it once and it was pretty dcecent! lol