The place I went to had T7 in 3f not 2f but had the Hodgdon Pyrodex RS as a 2f equivalent. As per my MO I bought it and asked questions later. I was going to try to find a load for my Knight Bighorn. So far I have been shooting pellets and wanted to try something that wasn't 100 or 150 gr. of powder. I have to say I did go to the range today and shot consistent 2.5" groupings at 50 yrds. with two Pyrodex pellets and a 250 gr. bullet. Later went to 100 yrds and had 6" grouping with a different brand and weight of bullet but I think I was having some fouling issues by that point. Only second time shooting at targets with the rifle and first time shooting peep sights, ever. I think I'm doing ok.
It's going to take a little bit longer than I thought to play around with the different powders, loads and bullets out there.
Thanks for the responses!