Black powder? What to use? | The Firearms Forum The ...
Jan 07, 2013· Black powder? What to use? ... What is it and what is it not? Is black powder, gun powder or smokeless? Is it the same stuff modern muzzle loaders use nowadays? ... 3F is a pistol/small rifle powder. 4F is priming powder. 3F will work to prime and if you have a good lock FF will work but will most likely give slower ignition times. I use 2F ...