My friend has just bought an IOR scope and slapped it onto his TRG. before that he had a S&B PM 3-12. Now when he moves back from 300 to 600 he has to put on 1.3 mil, before he had to put on 31 clicks. the IOR is in 0.1Mrad and the S&B says "1 click = 1cm" now going by my maths, 1cm at 100m is...