one thing I noticed about these replicas though, the barrel wedge doesnt' go all the way through- if you force it in until the spring pops out the other side, it locks up the cylinder- not enough clearance.
They are not supposed to go all the way through. The spring is only to keep the wedge from falling completely out of the barrel lug when removed from the frame. It catches the lip of the screw above the wedge. That screw is meant to be tight, not an adjustment.