Originally Posted by
4end
Quite correct. Scope levels are a complete waste of time and money. If you believe you can set up a scope to be true to level and plumb you are sadly mistaken. The reasons being is that the small levels are so inaccurate and too short to give a meaningful reading off any of the narrow surface areas found on a gun. Those that fit around a scope are even worse as to set them correctly you need a datum and there is not one. If there is a need to 'level' a scope, align the vertical cross hair with a plumbline or the corner of a building. In doing this, it can only tell you that the crosshair is vertical and not that the gun is level across its axis asthe scope has revolved slightly in the scope cradle and the rifle is not necessarily level, no datum, no good.
Au contraire. The only datum which matters is the scope tube above the bore. This is why I use one of these.
https://www.brownells.co.uk/EXD-ENGI...CLE-INSTRUMENT
Then I set one of the levels that fit around the tube to agree with the instrument.
The narrow block self centres on the barrel (or action of a springer). The wide block self centres on the end of the objective lens
“We are too much accustomed to attribute to a single cause that which is the product of several, and the majority of our controversies come from that.” - Marcus Aurelius