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Long Range Hunting & Shooting
How many of you lap your scope rings?
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<blockquote data-quote="XLR Industries" data-source="post: 2590658" data-attributes="member: 123236"><p>I want to jump in here because I think lapping rings is a discussion that goes every which way and there are so many different scenarios. I should also add in here that I hate lapping rings and avoid it at all cost! </p><p>1- Custom action with integrated rail and good rings = no lapping</p><p>2- Custom action with a good pinned rail and good rings= no lapping</p><p>3- Factory action with good base and good rings= Questionable</p><p>4- Factory action with cheap base and cheap rings= just dont... </p><p></p><p>As said before there is no way I am going to buy a $2000 scope and put it in cheap rings that could possibly be out of alignment and put stress on the tube. I think more so than the rings is the base that causes alignment issues. If a base does not mate 100% with the action then that will transfer stress into the rings which will go into the scope. So for all factory actions or customs actions that don't have pins I am going to bed them. Not only does this create a better mating surface to make sure the screws will not come loose, but it also takes up any error in the action to base fitment. Once that is done you can take a straight edge and put that on the top of the rail to see if the top is straight. I would have to assume that if the top of the picatinny slots are straight then the bottoms should be too... So then I go to the rings. As far as lapping goes, I have to assume that a $40 bar is perfectly straight and concentric along with the same diameter as my scope tube. Then I have to lap and make sure that I do not overdo it taking out the clamping force. There are a lot of questionable factors in my eyes so I don't deal with it. I buy a Spuhr mount and just assume that since it is one piece and they are $400 they are going to be cut straight. Then even if I swap that scope to a different rifle and the base isn't 100% correct, I know that none of those inconsistencies don't get transferred to my scope. </p><p></p><p>I don't know if lapping is better than my Spuhr mount but If the alignment bar is perfect and you can lap everything perfectly then in theory it should create a perfect alignment. But I feel like Spuhr/ARC machines are going to hit better tolerances than me with a bar of steel and some lapping compound in my garage. If I was going to take the time to lap the rings then I would just bed them and know I have good contact. But then once I swap it onto a different rifle, I would want to rip that bedding out and do it again. One piece mounts solve all of that IMO because then I am never worried about what the base looks like.</p></blockquote><p></p>
[QUOTE="XLR Industries, post: 2590658, member: 123236"] I want to jump in here because I think lapping rings is a discussion that goes every which way and there are so many different scenarios. I should also add in here that I hate lapping rings and avoid it at all cost! 1- Custom action with integrated rail and good rings = no lapping 2- Custom action with a good pinned rail and good rings= no lapping 3- Factory action with good base and good rings= Questionable 4- Factory action with cheap base and cheap rings= just dont... As said before there is no way I am going to buy a $2000 scope and put it in cheap rings that could possibly be out of alignment and put stress on the tube. I think more so than the rings is the base that causes alignment issues. If a base does not mate 100% with the action then that will transfer stress into the rings which will go into the scope. So for all factory actions or customs actions that don't have pins I am going to bed them. Not only does this create a better mating surface to make sure the screws will not come loose, but it also takes up any error in the action to base fitment. Once that is done you can take a straight edge and put that on the top of the rail to see if the top is straight. I would have to assume that if the top of the picatinny slots are straight then the bottoms should be too... So then I go to the rings. As far as lapping goes, I have to assume that a $40 bar is perfectly straight and concentric along with the same diameter as my scope tube. Then I have to lap and make sure that I do not overdo it taking out the clamping force. There are a lot of questionable factors in my eyes so I don't deal with it. I buy a Spuhr mount and just assume that since it is one piece and they are $400 they are going to be cut straight. Then even if I swap that scope to a different rifle and the base isn't 100% correct, I know that none of those inconsistencies don't get transferred to my scope. I don't know if lapping is better than my Spuhr mount but If the alignment bar is perfect and you can lap everything perfectly then in theory it should create a perfect alignment. But I feel like Spuhr/ARC machines are going to hit better tolerances than me with a bar of steel and some lapping compound in my garage. If I was going to take the time to lap the rings then I would just bed them and know I have good contact. But then once I swap it onto a different rifle, I would want to rip that bedding out and do it again. One piece mounts solve all of that IMO because then I am never worried about what the base looks like. [/QUOTE]
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How many of you lap your scope rings?
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