Quote Originally Posted by Texas10 View Post
The presence of grit as you describe suggests factory media blasting. Savage has been known to let the occasional unmarked barrels out the door, yours may be one of them. A call to Savage Customer Service with the serial number will tell you what it was when it left the factory. They may insist you return it for a properly marked barrel to be installed. If the color and finish of the barrel and action match perfectly, it's most likely all original. The presence of media under the barrel nut would be strong evidence it is all original.
Thus the caliber will be marked on the left side of the barrel just above the line of the stock.....?