Assuming you're talking about the turrets only, and not a custom reticle...
Save yourself some dough.
Develop your load, chrono and field verify the data, then have Kenton engrave new turrets for you.
Gotta be cheaper than the Leupold custom shop, and a lot faster.
And if you really want to save some dough, here's a guy that makes custom stick-on's cheap... let's face it, these things aren't rocket science, they're just a ballistic data card you stick on your scope...