You'll have to trust me that this is 308 since it is an extreme close up, but I can assure you that it is. As you can see, the Metra blue and RTA/NIRC blue are rather faded, but there is a definate difference in the color between the two.
http://members.aol.com/brad2125/308
Brad
http://members.aol.com/brad2125/308
Brad