Well well, not sure I would have made this purchase if I had found this thread last week. Purchased the 66 combat magnum 2.75" barrel. 40 shots and complete lockup. Shot 38+p, whatever they had on the shelf to test before further testing w/357 (which of course didn't happen).

The shop was kind enough to send it back on my behalf. I have several S&W wheel guns. Never had any issues like this. I left the store bewildered and feeling pretty alone. Wish I was alone on this one actually. Quite an expensive revolver to have out of the box issues.

On another note, being that I see a month going by before testing the gun again, any holster suggestions for cc? The store had nothing at all.