http://www.24hourcampfire.com/ubbthreads/ubbthreads.php/topics/8576323/SWFA_12x42_MRAD_Review

I have a 12X coming in tomorrow's mail. Mine is moa/moa. The 10X has more erector travel by 20 MOA. But the 12X still has 100 moa and with a 20 moa rail I will be fine.

That said I'd not hesitate to buy a 10X either....