I have one, It is about 100- 150 fps faster then the standerd cal.
Mine is loaded with 62.0 Gr. of IMR 4831, 130 Gr. Nosler Accubond, 3,586 fps, through my chrony.
Rick
I bought the same scope you are asking about, The only thing I
did'nt like about the 6X18-40 buck master was the cross hairs were to thick but mine was also a BDC.
Rick