I've found that I get outstanding accuracy out to 50 yards through my Dan Wesson 741 with a 6" barrel, normally 5 shot groups at 15,yds are about .5" at 25 yds just under an inch and at 50 yds I'm getting 1.7" groups. I don't come close to this when I down load regular Mag cases. The brass I've been using is cut down (1.14")R-P brass that has been reloaded 5 times as reduced Mag loads. I've used several powders, W231, Nito 100, Blue Dot, and Clay Dot (same load as listed on Rocky's site using Clays). I reduced all Rocky's loads by .5 gr and haven't seen a need to change. I've also shot several groups of just over caliber size at 7 yds (normal self-defense distances) through my carry gun which is a S&W Mdl 657 3" barrel.
Finally, I've shot the above loads through my Marlin 1894S (18 1/2") out to 100 yds with groups of 1.25" using the Blue Dot loads (reduced .5 grs.)