question about carrier key wear

[rif4trbo]

hi i have a DDXV rifle with about 800 rnds through it and i have wear on the upper receiver from the edge of the carrier key. The wear is just through the anodizing and isn't gouging into the aluminum upper just wore through i sent a email to daniel defense with the pics just wondering opinions.
http://i205.photobucket.com/albums/bb186/rif4trbo/100_1184.jpg
http://i205.photobucket.com/albums/bb186/rif4trbo/100_1178.jpg
http://i205.photobucket.com/albums/bb186/rif4trbo/100_1176.jpg

[5pins]

Completely normal.

[ryan]

Check the POF roller cam pin thread it may shed some light.

[Captains1911]

The wear on the carrier key is normal. The wear on the inside of the upper in the first pic is not from the key, but from the cam pin, also normal.

[gtmtnbiker98]

All normal, just means that you are showing the rifle some love.:D