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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
windage adjustable Weaver rings/bases?
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<blockquote data-quote="westkraut" data-source="post: 732133" data-attributes="member: 35128"><p>Redrilling and installing better bases/rings may be the most practical thing to do, but I just ordered a pair of Weaver Grand Slam windage adjustable rings (curiosity is at play) for a very nice 8mm M96 Mauser sporter that obviously has mis-aligned Weaver bases that I bought via an on-line gun forum (another issue). I am not at all experienced with windage adjustable scope rings (but my reading shows such adjustment methods were the norm on early scoped rifles). This alignment issue was readily apparent just from bore sighting in the basement......something I normally do at much longer distances at the range. I just bought the 8mm as a shorter range hunting rifle and not for long range shooting but as is, it would not hit a barn. This is the first time I have had a significant issue with preinstalled bases. I have not removed the bases as the screws are solidly locked in and I wanted to try the windage adjustable rings to see how they work and if they can correct a base alignment for the scope. What is apparent is that the whole front base is slightly off center and to the left of the center line above the bore, the rear base looks good. </p><p>What might still be a problem, and I can't tell yet, is if the front or rear base is also canted slightly so that it's sides and center line is not even parallel to the center of the bore or the sides and center line of the other base. </p><p>I suspect that if one or both bases are also cocked/canted, the Weaver rings may not correct the problem since they just move the ring to the left or right. The Burris rings with inserts might be the answer in such a situation but I will will keep your suggestion in mind as getting the rifle re-drilled and tapped and use windage adjustable bases as I have on most of my rifles may be the slightly more expensive but perhaps the best long term solution for this sporter. </p><p> </p><p>By the way, since buying a 1" alignment bar I also found that my brand new factory drilled and tapped with bases muzzleloader has nicely aligned Weaver bases and they do place the scope center parallel to the center of the bore but to the left of top dead center by about 3/16". This may be just a minor issue for hunting but it does show that new firearms can have improper-misaligned base mounting holes as well. </p><p> </p><p>In the end one can prepare well but never can be sure of the accuracy until you get the proof on the range......the greater the distance the more issues affect the accuracy.lightbulb<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="westkraut, post: 732133, member: 35128"] Redrilling and installing better bases/rings may be the most practical thing to do, but I just ordered a pair of Weaver Grand Slam windage adjustable rings (curiosity is at play) for a very nice 8mm M96 Mauser sporter that obviously has mis-aligned Weaver bases that I bought via an on-line gun forum (another issue). I am not at all experienced with windage adjustable scope rings (but my reading shows such adjustment methods were the norm on early scoped rifles). This alignment issue was readily apparent just from bore sighting in the basement......something I normally do at much longer distances at the range. I just bought the 8mm as a shorter range hunting rifle and not for long range shooting but as is, it would not hit a barn. This is the first time I have had a significant issue with preinstalled bases. I have not removed the bases as the screws are solidly locked in and I wanted to try the windage adjustable rings to see how they work and if they can correct a base alignment for the scope. What is apparent is that the whole front base is slightly off center and to the left of the center line above the bore, the rear base looks good. What might still be a problem, and I can't tell yet, is if the front or rear base is also canted slightly so that it's sides and center line is not even parallel to the center of the bore or the sides and center line of the other base. I suspect that if one or both bases are also cocked/canted, the Weaver rings may not correct the problem since they just move the ring to the left or right. The Burris rings with inserts might be the answer in such a situation but I will will keep your suggestion in mind as getting the rifle re-drilled and tapped and use windage adjustable bases as I have on most of my rifles may be the slightly more expensive but perhaps the best long term solution for this sporter. By the way, since buying a 1" alignment bar I also found that my brand new factory drilled and tapped with bases muzzleloader has nicely aligned Weaver bases and they do place the scope center parallel to the center of the bore but to the left of top dead center by about 3/16". This may be just a minor issue for hunting but it does show that new firearms can have improper-misaligned base mounting holes as well. In the end one can prepare well but never can be sure of the accuracy until you get the proof on the range......the greater the distance the more issues affect the accuracy.lightbulb:) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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windage adjustable Weaver rings/bases?
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