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Posted: 7/17/2010 9:20:39 AM EDT
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I have a left handed savage 110 and a Bushnell Elite 4200 3-9x40 I bought for one of my boys. It came with some Weaver bases. The rear base was out of spec (two sets of Weaver rings I had on hand would not clamp to it), so I decided to try some of the Talley one piece rings/mounts. After I installed them I had to max out the elevation to get the scope bore sighted. Later I noticed that the rings were badly torquing the scope, such that the power ring would not move smoothly. I removed those rings and chucked them, hoping that I had not damaged the scope. I then bought some Leupold PRW rings and mounts. The mounts I bought had two rear bases, so I called Leupold and they sent me a new set. I have used these types of rings on hunting rifles before, and have not really had any problems with them. Everything went together fine, but again I am running out of elevation. I shot the rifle today, and it is about 2" low from zero at 50 yards when the elevation is close to maxed out. For a proper zero, I need it to be about 1.5" high at 50 yards.
So, maxed out on elevation I am still 3.5" low from where I need to be at 50 yards. This has been quite an ordeal. I have never had so many problems getting a scope sighted in before. At least the rifle seems to shoot well. You can generally relly on the fact that a Savage shoots better than it looks. 
What should I do at this point? Try swapping the front and rear rings? Return the scope? Shim the rings (something I have never tried)? Any advice would be appreciated. |
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Two things might be at work here - 1) the gun is shooting low, or 2 the gun is shooting way to the side. if its shooting to the side, you're not able to get the elevation, because to erector tube is hitting the side of the scope.
This has worked for me on a troublesome rifle. 1) Redfield 1 piece base (the kind with the dovetail front ring you turn in 90 degrees to install, and the rear ring has a screw in each side that you can adjust windage.(made by a couple different mfgs, but I think Redfield origionated them) 3) Burris Signature Rings (the kind with the plastic bushing in them. 4) a pair of "20" offset plastic bushings. Mechanical zero the scope (turn each direction to extreme, count the clicks, divide by 2.), install the base and rings, and bushings. Bushings- Front ring : +20 top, -20 bottom. Rear ring, -20 top, +20 Bottom. Go to the range, put a big piece of cardboard on the 25 yard backer, put a dot in the center, and shoot a shot or 2. Use the windage screws to see if you can get the windage centered, don't worry about the elevation yet. If you can't get the windage close with the base screws, turn the rear ring -20/+20 bushing 90 degrees to offset it even more. If that don't work, turn the front bushings the opposite way (but I doubt that you will need to go to that extreme). I really like the Burris bushing system, it grips the scope tighlty, leaves no ring marks, and you can use the offset bushings to get the scope close before you even turn as screw on the scope. |
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