I had more trouble getting velocity from the 160s and 175s. It might just be my barrel though. I have a 1 in 9 twisted bartlein sitting here for when it goes. I hope that the 5r rifling doesn't cause any problems. I'd like to talk to that cover guy sometime.
What was your trouble? Pressure signs before you hit the speeds you wanted or something different?
3200 with H1000 and 160 AB&160 PTs seemed very easy in my rechambered Winchester barrel, but understand all barrels are different.
