half cock

All, I just acquired a used Uberti Cattleman in .44 Magnum. The serial number is late 27xxx, all matching w/ AA date stamp 1975 date of manufacture. Left side frame stamp below the cylinder: IVER JOHNSON'S FITCHBURG-MASS-U.S.A. My concern lies with the fact that there is no half-cock notch...

So I just got my second 1851 Colt Navy from Cabelas. The first one had totally locked up wedge, so I had to return it. On the new one, the "timeing" (if that's what you call it for the hand) of the hand is very off and makes it hard to load. At half cock, when you rotate the cylinder to load...