Question about Nikko Optics
I have a howa houge with a nikko gamemaster scope and single piece howa scope mount. went to the range and ran out of adjustment trying to bring the point of impact down...raising the crosshair. do I need to ship the scope, get different mounts? any feed back on what my options are would be appreciated!
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Posted on Jan 02, 2017
SOURCE: I mounted my scope and
Sounds as if the rings are slightly misaligned.was it factory drilled and tapped or was it done aftermarket.A competent gunsmith can correct this with an aligning tube'or youcan try shimming the inside of the rings with plastic shims cut from a plastic bottle.I always used plastic because it is impervious to weather.Good Luck
Posted on Mar 25, 2009
I had the same problem.. shimmed the rear ring by folding some aluminum foil and lining the whole bottom part of the ring. I think after all was said and done, the aluminum was about 12 slices thick. This gave me a little bit of elevation to play with.
Posted on Jun 29, 2009
What that means is they are not mounted correctly. The scope mounts should be square with your rifle when fitted, when the scope is placed into the mounts, it should be turned to be square with the rifle.
Firstly, make sure you do not "cant" when you shoot. That is hold the rifle at an angle instead of vertical. Once you are sure that is OK, then put it into a vice using blanket or some other soft material to protect the stock. Get the rifle perfectly square using a spirit level. There should be a flat spot on the top of the action that you can use. Once this is achieved, you loosen off the scope mounts and square the scope up to your satisfaction. Once done, tighten the mounts up and then remove from the vice.
Posted on Feb 10, 2010
Is the scope moving in the mounts? Going back and forth, left and right? If so, tighten up the screws, Or are the stadia wires themselves spinning around inside the scope? That could be a problem. The wires are fixed in a tube that is mounted at the rear, the front is at the adj screws, they push back and forth on a spring, the whole tube moves, but it is not supposed to spin. You can get to this part easy enough, but go no farther than the cross hairs. Find out what they are supposed to be attached to, or just send the whole thing back and complain. If you break the seal, they will never honor the warranty if there is one. Hope this helps.
Posted on Mar 13, 2010
SOURCE: CAN NOT ZERO GUN
If your Roberts been rechambered or re-barreled or even a new rifle.
A common problem is the mounts are not true to the bore.
In theory the bore must be exactly in line with the scope/mounts, but in reality a barrel will shoot to the left or right of the scope/mounts.
If you zero @ say 100yds, (this is now a point of intersection, think of 2 straight lines crossing ). Now firing before 100yd the path is on one side of the intersection of 100yds and beyond it will be to the OTHER side of the 100yd zero.
What you need is Windage adjustable rings. There are number of companies that make these.
Set scope xhairs to zero. Dial windage all the way to the right, then count clicks all the way to the left, split the clicks to right and xhairs will be about on center. Now sight in scope using Windage on rings, finish to exact with xhair adjustment, but get it as close as you can with the ring windage adjustment, then your rifle will shoot "true" it's full trajectory because now your scope is in line to the bore. A very common problem with break barrel air rifles as well.
Posted on Feb 12, 2013
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