If new, then chances are the latest generation (that is why it could be "out of stock"). Take a good look at what features it has compared to other model 19's.
How much are they asking for one?
"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)