Overall a great barrel, but paint to bore match is critical if you want consistent range and muzzle velocity. If you use undersize paint, expect the velocity to jump around, the accuracy to wander, and the range to be variable. That's enough to play a big difference in accuracty at typical woods game ranges among intermediate players. The times I've used it I haven't had much paint brake in it. Small paint such as proball doesn't work to good just falls out of the barrel.
Most paint works with it.
Breaks paint like a mother. I tried to play in a tournament with it. I went to the practice range and broke a paintball on the first shot. Cleaned my barrel, checked my gun, went to the range and shot again. Broke a paintball on the first shot.