My new bore scope that is. My friend recommended a $67.00 delivered bore scope.  I almost wish I had not purchased it. The first pic shows the bore of one of my favorite rifles. It is an accurate 1903A3 Springfield that I thought had an excellent bore. My new toy showed different. Pitting, and copper fouling. It's funny that a flashlight shown from one end shows none of this. Some of our members say that a pitted bore can still shoot quite well. I just joined that club! I will have to work on that copper fouling. The second pic is a reminder to check the flash holes on brass! The scope should be good for checking head separation on brass.  I am happy with the new borescope even though it created more work for me.

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