Well I dont know what to say. just spent best part of three hours on an indoor range adjusting these things to a zero. I managed to get just about spot on at 35yds without even touching the scope turrets. Three shots through the same hole.

Next shot, three inches left, next shot three inches left and one inch up.

I fired two full charges of the HW (around two hundred shots) and didnt achieve any consistency at all.

These things proved impossible to zero. Far too many moving parts and to many interdependant parts, knock the scope and zero shifts, adjust one grub screw by a tiny amount and everything else moves.

In conclusion.....UTTER RUBBISH imo

BKL here I come