A 6.5″ barrel Ruger Blackhawk paired with Buffalo Bore 180 grain hard cast bullets give an impressive 1400fps coupled with a huge amount of bullet entry. You can read more about this ammunition at Buffalo Bore’s website https://www.buffalobore.com/index.php?l=product_detail&p=396
We have a number of Rugers that came in as part of a collection – stop in and check them out.