I have Talley QD's and ran into a problem with setting them up, measured them and found that they are a minimum of 40thou off centre. Spoke to Talley and they confirmed that the rings are machined 20thou off centre, I asked some more questions and they never replied!
Due to being in Australia and stuck with these rings I set them up in my mill and re-cut the dovetail and clamping block. They are now centred.
I personally rather the look of the Talley rings but won't be touching any of their products again.
Set up a mates Howa with Warne's and all good.
