I would say you are correct on your round count I am waiting on my third barrel at this time on my second barrel I started Molly coating my bullets I went up to 1500 rounds and it still going granted not like when it was new but I'm still hitting target out to 1000 although groups have slightly opened up my new barrel will be here soonI gave up on the 6.5-284 years ago, because of the limited barrel life. 1,200 rounds was all I coould get out of several barrels, using 4831.