Your Model 29 is not the strongest 44 magnum revolver made. Ruger has that catagory tied up, as far as I know, but there may be others as strong that I don't know of.
There has been some stiff loads quoted here on this thread. 25 grains of W296 or H110, is more than most books show, by about 1 grain.
However, the old original load, quoted here, of 22 grains of 2400 appears to be more pressure than the above load.
It was mentioned about the new (Alliant) 2400 being "hotter" than the old (Hercules,) that Elmer Keith used in designing the 44 mag. I don't think there is any noticeable difference between the two makes of 2400.
That old loading of 22 grains of the old 2400 is a HEAVY load. I used that load shooting silhouette, but cut it back a bit, as even at 200 metres I could use the same sight setting with either 21 or 22 grains of 2400.
My advice to the OP would be to not go over 21 grains of 2400, or over 24 grains of W296/H110.
The OP asked about bullets. You do not need jacketed bullets for any load you will use in your 44 mag revolver. You do not even need gas check cast bullets to get full power. Just a medium hard cast, flat base bullet is all that is required.



























