You can not convert from AMR to MOA accuracy. 
Yeah! And those who can convert are called morons, like guys from amsaa . Only wikipedia users who didnt read any basics in external ballictics have true knowledge. 

To note, "converting from AMR to MOA accuracy" is sign of ignorance. It is possible to convert from ARM to extreme spread for given group size. AMR or extreme spread you can express in MOA.

 Pages in Russian are not acceptable sources  
Right! All who dont speak English are retarded. For example similar self published work  with less accurate calculations are far more reliable cos it is in English.