i just received two barrels. one from ROCK the other from KRIEGER. i was looking them both over and it was immediately apparent that the finish externally and INTERNALLY was much smoother on the ROCK. i fully expect both of these barrels to shoot extremely well but if the quality of finish is any indication, the ROCK will shoot better. the outer finish is no contest. the ROCK looks like it could be fitted to the receiver and shot as is without being embarrased. the KRIEGER looks like it was contoured with a 4" angle grinder (maybe not quite that bad). the interior of the ROCK is mirror smooth with not trace of tool marks that i can see with the naked eye. you can see some very fine tool marks in the KRIEGER. i know this comparison has nothing to do with the real quality or potential of the barrels, just thought i would share some simple observations. i could report back when i get the rifles built up if anyone is interested.
chuck
chuck