khmplus
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  • What size is the O.D. of the bar, like to fire up the lathe and make an alignment tool and lapping bar for 30mm an 34mm rings. but not sure if the lapping tool is just under or that same as 34mm scope tube would be.
    khmplus
    khmplus
    The lapping bar is about 16 thousandths less than 34mm. I measured the thickness of 400 and 600 grid wet dry paper and it came out to about .008. So double that is .016. When one layer paper is wrapped on the bar, it's right at 34mm.
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