$50 rough as a cobb 10 twist blank , chamber and lug work by OTT Mike. 85 grain Sierra HPBT over Rl-10x, Lapua cases, CCI BR-4, 2.12" COL, avg mv 3022fps 10'from muzzle , es 20.4, sd 8.71 100yds .552" I was considering fire lapping this tube with Tubbs' FinalFinish system...but may hold off for a while now ;-)