I took down my Vepr 12 in preparation for cleaning it and noticed some odd wear on the bolt carrier where the bolt lug first engages it to unlock. There is some obvious peening and moving of material here. I am surprised because I have about 500-750 rounds through it but they have been either Nobel Sport slugs (the cheap, low power ones that SG Ammo had in stock back in 2011) or Federal multi purpose pack so I haven't been beating on it.
Is this wear normal and how much should I worry about it? Should I contact TGI?
Below are two pics of the area in my Vepr 12 and then I have two pi