Congrats. Mine is new as well and my first handload is a Rainier 200 grain plated SWC (.45acp bullet) over 5.9 grains of Trail Boss. Starline brass and Winchester WLP primers.
After 80 rounds the bore is still very clean and the load is accurate. Very pleased so far. I added an old Williams peep rear sight and a Lyman #20 front globe. (non of the Lyman 17 series was the right height)