Quoted:
PSA had some (with side rail) today on sale and I snagged one before they sold out.

http://palmettostatearmory.com/index.php/catalog/product/view/id/22145/s/psak47-ak-barreled-receiver-7-62x39-w-side-rail/

Question:

The listing said: 4150 Steel Barrel, Melonite treated

Now does that mean both the outside and bore are treated or just the outside?

To be honest for the price ($277.00 shipped) I was not really expecting a treated bore so no big deal, just wondering.

Thanks.