Blackpowder for .38 Special

[RegCom7]

I plan to get an Uberti 1872 Open Top within a couple months. I want to get it in .38 Special, and I want to load the cartridges with blackpowder. I cast my own bullets, and I wondered what mould was used for the original bullets, with blackpowder. I wouldn't be against casting the Big Lube bullets, but I really don't want to buy a 6-cavity mould. I want a 2-cavity. So did the original bullet carry enough lube for using with blackpowder? (I already load blackpowder cartridges for .45 Colt.)
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[Muddy Creek Sam]

Shouldn't be a problem in pistols with any standard 38 bullet, I use the Big lubes in both Rifle and Pistol, Get a super lube star with 24" 73. Even with a 7 1/2" Barrel you should have plenty of lube with a standard Bullet with BP lube.

Sam :D

[canebreaker]

I get boolits from the brum.
Some mine, some with red lube,
some with green lube, some with
blue lube.
.38 spl. 140 gr. rn. your lube.

[Piedmont]

I believe the original .38 Spl bullet was a 158 gr. RN. It would be hard to beat Lyman 358311 since it has such a large lube groove. The classic Keith has a large lube groove too but isn't from the blackpowder era. It's number is 358429.

[det]

I shoot BP in a pair of open top Colt. One in 38 Colt and one 38 spl.. I am using the 158 grain RN lyman mould and SPg lube with no problems.

Det

[RegCom7]

Thanks for the great info everyone! So I'll just use a standard bullet with Emmert's lube, and that should work ok. :-D