. . . Leica doesn't have as slick a ballistic calculator online as Swaro does so it might take a little more work to figure out your subtensions and ranges for each bar but not a big deal at all if you know what you are doing. . .
http://leicaflash.leica-camera.comThat one is pretty nice if you have the IBS reticle. But it doesn't have he standard or magnum Ballistic "christmas tree" reticle's. Maybe they will add them. :-)