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Question by jbwill9. Uploaded on June 02, 2009
Probably a bad scope and/or mounts. Could be a stock/bedding problem too. Describe the gun and the results you are getting with it? Does it group, but just not in the same place?
use a gun vise if possible.
Loose mounts would be my first thought also. If the ammo is the same load this would be the first place to look.
I had the mount put on at the gun store, not that that necessarilly means anything. The gun is a Remington 700 model, not sure of the scope but I know it is a good scope. It came already mounted with the gun. The real thing that gets me is it doesn't seem to group. Or when I think it finally is I will shoot it the next week and it will shoot somewhere else.
Sound like loose or cheap scope mounts, and/or scope.
I'd try a different set of mounts to start.
Lupold make a pretty good set for fairly cheap.
take your scope off check the bases to be sure they are tight if they are loose remove and degrease and lock tight them and reassemble the rings securely .your rings can be tight but if the bases are loose forget it its just as bad as loose rings .
I agree that scope mounts have to be properly installed or you will probably have issues. When I ran my gun shop I always used "blue" Loctite on the bases and on the rings. This is the type of Loctite that you can easily loosen with the proper tool, but will not work loose on it's own. If you check out the mounts and everything is ok you may want to look at your bedding. I personally have always preferred a free floated bbl. I've used both Accraglas from Brownells and Devcon metal bed. Both work very well for me. With the Devcon I usually do a Pillar bed and I believe that this is an excellent way to have your rifle shoot in the same place year after year. It's not hard to find information about bedding on line.
Smells like a cheap scope to me and/or cheap rings. Those package deals usually include a scope and rings that aren't worth having. Bet a Leupold VXIII in Leupold rings cures your problem. If not it's one of the other things mentioned above. Scopes tend to all look good. The difference is inside. That's where the extra $ goes.
The guts in the tube make the difference. As well as good mounts & screws.
Get back to us with the details of your scope choice and mounts. Thats were we need to start.
Im out of town until the weekend. Ill let ya know. As far as what I can remember (the gun was a gift about 5 years ago) the gun shop owner who is a friend of ours picked out the scope and put it on himself. It wasn't a package already together, I don't think. I'm pretty sure the scope was a couple hundred dollars but Ill get back to ya after I look at it hopefully this weekend. Thanks for all the feedback.
If the mounts are loose will I be able to tell just by looking/feeling them? Or could they be loose on a shot and hard to tell by the naked eye?
Sounds like problems with scope or mounts unless you are switching loads year to year, shooting session to shooting session. If you are switching ammo while troubleshooting your acuracy problems, you will be chasing your own tail.
Could be the bedding. Before you glass bed, try shimming the action forward of the recoil lug with cardboards from the tabs of ammo boxes. They are nice dense cardboard. Use enough shims to just relieve the contact with the stock forward of the action and ensure the action screws are evenly tightened to about 60 in-lbs of torque. Withthat accomplished, it should shoot consistently unless you have a scope/mount issue. BTW, what kind of rifle and scope is it?
I had one issue once with the (horrible, I know) way I was treating that rifle. I had it just propped in a closet, not cased. At the angle I had it, and moved it, and may have been generally rough, as I "thunked" it in the closet, the front of the scope was hitting the wall. I never thought of it until I emptied the closet and saw dents and gouges in the wall. That wouldn't stay aligned either.
I have the same gun with a cheap BSA Cat's Eye scope on it but Leupold mount and rings and that gun has shot 2" groups since the day I first sighted it in. I've never dropped it from much distance but it's fallen over while leaning against a tree or tree stand and groups have always held true. I put a cheap scope on the first rifle I ever bought and never had a problem so I don't spend much on them now. Of course I might just be getting lucky but I've had a Tasco World Class, Simmons Pro 50, Simmons Whitetail and several BSA's. Never a problem with floating or movement from year to year.
I agree with the likelihood that the scope's ring & mount screws should be double-checked, but check the trigger guard screws as well. If the stock is warping or shifting due to changes in moisture content, it could easily affect zero.
Just send it to me with a check for $500 and if the barrel can possibly shoot, it will when I'm done with it! LOL
Typically your zero should need no adjustment from year to year unless the scope or mounts are bad. You do have to make sure that the action is screwed into the stock. I think at one time, I went for about 10 years without every having to adjust my hunting rifle.
is the barrel free floating? wooden stock? these could be your problems due to wood expanding and contracting with pressure and temperature change. But if this is not the case, then i agree with the comments above on the scope mounts..
Make sure your mounts are tight. If that dosen't help a new scope may be needed. I like Leupold.
I had a Bushnell 3-9x40 on my old rifle and had the same problem you're having now. I put a Leupold FX II 4 x 33 on my Tikka T3 270. It works for me.
Agreed with Del in KS and + 1 for you sir!!!
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