Sir,
Do you have a loupe, or at least a good quality magnifying glass? The smallest of imperfections on your crown can cause erratic grouping. Likewise a bore scope inspection of your throat and gas port could show some burr or other problem.
While a bore scope is a significant investment, a 10x Loupe can be had for $30 or so. Mine is a Belomo brand available on Amazon.com and I can't imagine how I got along without it, especially as my eyes age. . . .
Best of luck with your rifle.
Randy
Do you have a loupe, or at least a good quality magnifying glass? The smallest of imperfections on your crown can cause erratic grouping. Likewise a bore scope inspection of your throat and gas port could show some burr or other problem.
While a bore scope is a significant investment, a 10x Loupe can be had for $30 or so. Mine is a Belomo brand available on Amazon.com and I can't imagine how I got along without it, especially as my eyes age. . . .
Best of luck with your rifle.
Randy
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