Buffalo Arms has a selection of soft lead bullets with SPG lube. I've purchased these from them 45/70 and 38/55. For my 45 LC/Schofield, 44/40 and 38's, I purchase unsized and unlubed bullets from Missouri Bullet. These bullets are a bit harder than the Buffalo Arms bullets, but cheaper, and work fine in my Winchester '73 in 44/40 and all my revolvers in the other calibers. I pan lube the bullets from Missouri with a homeaid BP lube (beeswax, crisco, canola oil), and size them as need with Lee sizing dies that fit into my single stage press. I've had good experience with the bullets from Buffalo Arms in my rifle calibers...they ain't cheap though!