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Old September 12, 2008, 01:37 AM   #3
HiBC
Senior Member
 
Join Date: November 13, 2006
Posts: 3,404
Here is another point of view.
There is always a little clearance around the bolt.When you evaluate the bearing of a locking lug by holding onto the bolt handle,you apply a load not truly in line.It can fool you.When I lap lugs,I use a tool I made that screws in like a barrel,and has a spring loaded plunger to appy force on the boltface.
If these surfaces are in the white,try a little cold blue,then just shoot it.See what that tells you.I will suggest lapping an assembled rifle might harm engagement.
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