was at the range this week and a man noticed that I was shooting my remmie, came over to talk. In the conversation he told me that he uses 4f in his colt navy (.36). He also told me that he was a cowboy action shooter, and I believe him as he was shooting his SXS coach gun faster than I can shoot an auto. Buuuttt I thought 4f is a no no in all but small portions?