I started a thread over in reloading asking the same question.
In retrospect I think this may be a better target audience what with the uncommon caliber, age of the gun and so forth.

I recently acquired this gun from a forum member and am in the process of gathering handloading components for the 32-20 Winchester cartridge that this old revolver is chambered in.
I am finding a lot of rifle data but not much for the old revolver.
Do you guys have any favorite target/plinking loads you wouldn't mind sharing?

5 gr trail boss with 90 gr LRN
7.6 gr lil' gun with 100 gr JHP
5.5 gr Blue Dot with 100 gr JHP

100 grain lead FP, .313" (Missouri Bullet Co.)
3.5 grains Bullseye

You might want to check the website of M.D. Smith (Reloading Pages of M.D. Smith) for some pistol reloading data and some cautions about the early revolvers. (My experience is with 32-20 for rifle, so I cannot provide any testimony to the effectiveness of those loads.)

100-120 grain lead bullet over 4.5 grains of Unique.

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115 lead over 4 Gs unique. Mine is a 3rd Model before tempered cylinders and so far no problems. Looks like Muley Gil is going a little hotter but not sure if his is tempered.

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Oh, and don't forget a case full of FFFg black powder!!

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Great resources and answers, thanks a lot fellas.
Muley Gil, I have some FFF, that is a great idea and I will take you up on it.

Just remember to decap and wash out your cartridge cases with hot, soapy water. Same for your revolver.

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What I was going to post, and do it ASAP after shooting....

Be aware that firing BP loads will involve a great deal of cleanup immediately afterwards, both brass and revolver. And using soap and hot water is about the only effective way to do it. I do not recommend it for anyone not willing to do the work required.

Good point about the clean up. I actually haven't decapped before cleaning BP cases in the past but, now that you mention it, I will do just that.
Would the same ritual apply to a BP substitute, say, triple 7 or pyrodex?

I don't know about 777, but Pyrodex residue supposedly has corrosive tendencies, and I would consider it necessary to use the same cleaning methods as black powder. But Pyrodes does not gunk stuff up nearly as much as BP. Personally, I always mix a little BP (maybe 10% or so) in with Pyrodex, as it ignites better than Pyrodex alone. I have experienced misfires with Pyrodex in muzzleloaders and C&B revolvers, no misfires with a little BP added. I have never used Pyrodex in reloading metallic cartridges other than .45-70, in which it works fine.

The 32-20 was the most reloaded cartridge from 1900-1920. Any pistol manufactured during that time may have a weak frame from being streched with rifle handloads of that era. Search on the cast bullets forum, they are adament .32 caliber pistols shooters.

My Model of 1902 .32 WCF is mostly retired now. But when I got it years ago, it was the gun and cartridge I started reloading on. I haven't reloaded and shot it in a few yrs, but I would use a 115gr. flat point Cowboy bullet behind a conservative charge of Bullseye.
Just an err of caution when working with Bullseye be aware a double charge with these guns and that powder may not be forgiving.

That point has been raised before, as Bullseye charges do not fill the case, and double charges are possible. However, the same situation exists with other calibers and propellants also. Part of good handloading practice is to charge all cases at once, then use a flashlight to peek into all charged cases to ensure there are no double charges (or empty cases) before loading and seating the bullets.