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cross, it is imposible for rings to line up with all the tolerances involved. ruger is the worst with the cast intergril ring mount and there cast rings. some times they are not lappable. i worked all my life as a tool designer/manufacturing eng. and have worked with close tol. all that time. for those that dont understand and wount lap use the burris off set ring inserts. i can take my scopes off and they go back almost perfect. i have the ring caps marked and i just won on ebay a snap on torque wrench with inch lb. and it is the screw driver handle 1/4 inch drive type that will use my chapmen gunsmith bits. bob kudile

[QUOTE="bob kudile, post: 410497, member: 5658"] cross, it is imposible for rings to line up with all the tolerances involved. ruger is the worst with the cast intergril ring mount and there cast rings. some times they are not lappable. i worked all my life as a tool designer/manufacturing eng. and have worked with close tol. all that time. for those that dont understand and wount lap use the burris off set ring inserts. i can take my scopes off and they go back almost perfect. i have the ring caps marked and i just won on ebay a snap on torque wrench with inch lb. and it is the screw driver handle 1/4 inch drive type that will use my chapmen gunsmith bits. bob kudile [/QUOTE]

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