Northman, Here is a quick check I would like you to do.
Unloaded, cocked, inverted so grip is up.
Try to rotate cylinder and see if cylinder stop catches.
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)