It is my understanding that the bolt sleeve denting is an issue with all AUG platform rifles.  Is this correct or am I mistaken?

not normal

No denting is not normal, and is indicitave that something is out of spec or the heat treatment is bad...  
In high round count AUGs, the teeth will sometimes break off. However, this is a wear issue, and occurs after several thousand rounds.  It is not the same as the denting or peening seen on low round count guns that has been reported with some MSARs.  Denting/peening is not normal to AUGs...  
Does it look this?

If so, it needs to go back to MSAR.





You should look at these threads...
http://www.ar15.com/forums/topic.html?b=6&f=43&t=325946&page=1
http://www.ar15.com/forums/topic.html?b=6&f=43&t=336126
Again, this issue is NOT the same issue as a bolt sleeve breaking on a high round count AUG...





 

Okay, thanks for the replies.  Already sent mine in for a different issue but mine was starting to do that before I sent it in. I was getting this issue confused with the bolt sleeve breaking.  Thank you for the clarification.