What vintage is the BLR ... does it have a barrel band? But, bottom line is that it starts throwing shots and you may have to deal with that reality. I have a 308 BLR made in ‘77. Benched, it groups about 1.25” @ 100M and that is as good as it gets which is plenty good for hunting. It harvested deer & moose over 20 years and none of them complained.
Given that BLR’s need to be cleaned from the muzzle, they sometimes don’t get cleaned as well as they should so it may be worth it to give the bore a thorough cleaning.
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Old Guys Rule
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