3) With the trigger still back all the way, check for cylinder wiggle. Front/back is particularly undesirable; a bit of side to side is OK but it's a bad thing if you can wiggle it one way, let go, and then spin it the other way a fraction of an inch and it stays there too. At the very least, it should "want" to stop in just one place (later, we'll see if that place is any good). The ultimate is a "welded to the frame" feeling.
1) Can someone please explain spinning the cylinder while the trigger is still back (holding the cylinder in lockup) or am I missing something.
2) I didn't find the "we'll see if that place is any good" farther down.