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Did I buy damaged scopes?

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/18/2008 at 10:14
glockpacker View Drop Down
Optics GrassHopper
Optics GrassHopper
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Joined: September/24/2005
Location: United States
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Points: 21
I have a lot of these things, and some of them work according to the book.

When I'm sighted in, I can make a small change and get a small result. When I'm shooting my AR-10 at 600 yards, I can make a one-click adjustment and get a one-click result. Makes for nice scores.

But I have another scope, supposedly a duplicate (Springfield Armory Government Model, 20X56, mil-dot reticle) and if I make a one-click adjustment, I get changes in both windage and elevation that seem to make no sense.

I have a Nikon 10 power scope on a .22 I was shooting yesterday, and I get the same results.  At 100 yards, I would made a 2-click elevation adjustment (1/4 MOA), and my group would move up 3 inches instead of 1/2 inch.

Both of those scopes I bought used. Were these cases where the scope was abused, and the reticle knocked loose? And the owner dumped them on me as in "like new" condition?

Can reticles get knocked  loose and rattle around in there? Do the adjustment knobs get banged up so that their threads don't give you a good adjustment?

What gives?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/18/2008 at 12:27
doctor duck View Drop Down
Optics GrassHopper
Optics GrassHopper


Joined: February/13/2008
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 First a couple of questions. Are you shooting 1 shot then adjusting or 2-3 shots then adjusting? Are your base and rings tightened securely? Is your scope level on your rifle. If the answer to all these questions is yes, then you possibly have a scope that is damaged. If you are shooting 1 shot then adjusting, I would recommend a 3 shot group to make certain the gun is shooting accurately. Your gun might possiby need cleaning. What I am saying is try to eliminate all possible problems before deciding the scope is faulty. If indeed the scope is bad you could probably have a repair done for a minimum cost. Good luck.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/19/2008 at 06:26
glockpacker View Drop Down
Optics GrassHopper
Optics GrassHopper
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Joined: September/24/2005
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I'm not a "scope jiggler."  Because of the  distances I'm shooting, either 300 meters or 600 yards, I will adjust the scope only after five or  more  rounds.
 
I mounted the scopes pretty much according to the book, with levels, a torque wrench, and loctite.
 
I shoot regularly in these matches, and I keep my rifles in a normally clean condition.  Matches are slow-fire, loading one round at a time, and take about 75 rounds per match.  Like I say, my original Springfield scope is a real winner.  I've shot groups of 20 rounds in as little as six inches at 600 yards.  That's 1 MOA at that distance and takes a calm day, a calm shooter, and good match ammo.
 
I guess the second springfield, found on Ebay, was just a ripoff on a  damaged scope.  The seller really talked a good show.  I think I'll buy only new scopes from now on.  It's just that I like the Springfield so much with the internal level, and there are no new ones left.  I've really gotten used to it after 2,500 rounds or so.  That's a lot of shooting when you're doing slow-fire at "midrange."  I wish someone else would buy the  patent, and start producing them again.
 
With the used Nikon on the .22, I didn't pay as much for the scope, but I thought a Nikon would hold up.  .22's are so inaccurate, that they're really frustrating to shoot.  You can't place shots at 100 yards the way you can with high power match ammo!  I'm gonna keep futzing around with it, because they say it's great practice for  high power.  The best high power rifleman  in Florida is a member of  my local smallbore club, so maybe there's something to it.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/20/2008 at 10:34
8shots View Drop Down
Optics Jedi Knight
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Joined: March/14/2007
Location: South Africa
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There is a poblem with the scope. I am not saying it is broken, but it could  be poor tracking as part of the scopes overall design. Often we only look at the glass when we buy a scope, and only afterwards at the adjustment. Some brands track better then others.
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