Ammo for my Colt SAA 38.40

[2000 vert]

I want to put some rounds through my colt. I came across some low fps ultramax cowboy rounds. They are alot cheaper than the winchester rounds. Just wondering if any one has used them in an older weapon and how they performed.

[Dacotua]

Get someone to reload some black powder or trail boss loads for your gun. Someone you trust