Today I picked up an original 1873 Winchester in 38-40. I know zero about this cartridge so I'll ask a few questions and hopefully the folks here will have a few answers.
#1) Black Powder only?
#2) If folks are shooting smokeless, what powders?
#3) 41 cal, correct. What is a reasonable Lee mold?
#4) Where can I get brass?
#5) Who makes dies for this cartridge?
THANKS!