New Service .44-40 3 inch 1909 transitional model (new photos)

Just got my cut down New Service I bought via GunBroker today.
The gun has been quite nicely refinished and very well cut down. I'm very impressed with how nice it looks. However, unfortunately the gun has some timing issues and is not as tight as a Colt should be. I think I want to get it to a professional to have it tuned. I'm just hoping it's not too worn out to have that done. It seems that the hand is just a little too worn to lift enough when cocked slowly to fully lock the cylinder. But also the bolt drops a little too late and seems to throwby on one of the chambers if cocked too quickly or pulled too quickly in DA.
Compared to my other Colts it's quite loose. My other New Service locks up like a bank vault when you pull the trigger with NO movement of the cylinder whatsoever. This one is still kind of loose. There is also more endshake but I don't know how much endshake is considered unacceptable. It shakes more than my other NS but it doesn't seem unreasonable to me.

Also note that this is an old style frame with the newer style lockwork. It has the hammer block inside. Wyatt Burp told me he thinks only a couple thousand of this type were made. This one is serial number 21873.

Anyhow, any comments or suggestions are much appreciated!



Here's some new pics:




Note the blue on the hammer top. This is also on the back with polished sides. Not fire blue like Colt used to do but still very nice. The trigger is the same way:



The crowning and front sight placement seem to be very well done.




Comparison shot with my 1903 New Service in .45 Colt. Note the difference in sight hieght:



Comparison of the top straps. Note the differences:



Note the differences in the style of hammers:



Finally here's the comparison of the internals viewed with the hammer cocked. Note the 1903 has no hammer block safety but the 1909 does: