Bore scope question. 6.5 PRC

806 guns

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Texas
I have a 6.5 PRC barrel that i bore scoped before cleaning and think i have a carbon ring building up.
1000008564.jpg



After a light cleaning
1000008576.jpg


New brass in chamber with camera from the muzzle
1000008581.jpg


What am i seeing and what needs addressed? Newb here. Looks like fire cracking starting for new. Just not sure on what a carbon ring is exactly. Thanks

Aaron
 
Definitely starting to eat up the thoat...
the dark ring the last pic just looks like the shadow of the edge of the throat....carbon ring would be a significant dark ring reaching towards the edge of the brass.....
 
Try running the bore scope in from the other end of the barrel. You may find that what your looking at is mostly shadow. Carbon buildup often has a rough edge rather than a "clean, sharp edge" all the way around. Clean it well and look again.
 
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