I'm not sure about the BHN, but I would assume they're around 18, since they're commercial cast. They're "Suter's Choice", 125gr RNFP. Yep, memory fail... I was thinking they were 120gr RN cast.
Specifically, they're going to be loaded for a S&W 638, 2.5" bbl. IIRC. But the majority of them...