1875, How much did guns & Bullets cost

[Hawg]

That was possibly 4F priming powder.

 

[Fairshake]

BP powder cost

It was not uncommon for early 19th century plainsmen and mountain men to make their own version of BP.
Some of the BP that was available at the time was so good that it stated on the label that no cleaning was necessary until the next use of the firearm.

 

[B.L.E.]

Some of the BP that was available at the time was so good that it stated on the label that no cleaning was necessary until the next use of the firearm.

I think that then, just as now, there was a lot of hyperbole in advertising claims.