Not enough adjustment on windage and elevation screws to set the scope correctly
SOURCE: instructions for a nikon riflescope 4x14x40
For general instructions on how to use a Scope check Shooter Ready
they provide all the math behind a bullet. further more they promote Sierra Infinity v6 Ballistic Software
(one heck of a program and not un respectable if you take your time and understand the math behind what the software is doing and how it works)
SOURCE: I just purchased a pro staff 3-9 x 40 BDC scope by
http://nikonusa.com/pdf/sportoptics/prostafftea.pdf
Or visit nikonusa.com for other categories if this doesn't cover it.
SOURCE: new nikon monarch III 4-16x42bdc. elevation is
have you shot it yet???? dont forget bullet drop!!!! but if it shoots to hight thats easy to put right,,,most of the time its a mount fault, but undo the front of the scope mount and slid 3 bits of 35mm film under the scope then nip the scope down on the film strips,,this will lift the point of aim past what you need,,,,
SOURCE: elevation adjustments do not seem to hold or the
Most of the time a scope that creeps off its zero, has a loose mount screw and or loose mounting ring. Check the mounts all screws. Some times the opposite is true. The mounts are to tight and in a bind. Then during firing the receiver heats up an tweaks the scope enough to cause creep. If the scope is always on zero when cold and creeps off after a few shots, she is in a bind. Make all adjustments to the scope base and rings with a cold gun. Loosen the front ring screws first then re-tighten then loosen the rear doing the same. Then try and re-zero the gun. If the gun never comes back to zero, you end one day shooting hi to the right and try again the next day shooting in the same spot try to re-tighten all screws. Screws from mount to gun then scope rings to scope body.
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