I have had 4 1922's, all with the numbers on the stocks & butt plates matching the receiver - I have had several of the 1919's of different vintages, and 23-A's & 23-AA', and have never had any of those with matching numbers. Matching numbers seems to just be a 1922 Sporter thing.
My highest 1922 is serial 18,08x, lowest is 11,4xx.
I have never tried to put a 1919 NRA barrel/receiver into a 1922 stock, I would assume a slightly different contour due to the longer barrel if the diameter at the muzzle is close.
