I'm in Pacific NW of USA and do re-enactment of fur trapper/mountain man era, approx 1806-1840. There are local black powder clubs that put on weekend events, but my favorite is the week-long one in summer that is re-enactors only. The authentic primitive camp is sealed for the week: no vehicles or modern dress and everything visible is to be pre-1840. I look forward to it every year.
Here's one a few years ago, me with a friend's original1864 Springfield rifle (our Civil War era). He let us each take a shot.
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The original mountain men were tough, here's a true story of John Coulter (of the Lewis & Clark expedition) and his run from the Blackfeet:
Colter's Run (mman.us)
You may have heard of Hugh Glass, who survived after being left for dead after a bear mauled him and crawled 200 miles back to help:
Hugh Glass (mman.us)
Good book on this era is Give Your Heart to the Hawks by Win Blevins.
What era is your outfit? I see a few Brown Bess rifles out here. They are noticeable in the long-gong events because they really ring when they hit it due to the large calibers. Our era is usually .50-.54. And the flintlocks don't always go off! We may have had some redcoats at Fort Astoria or Fort Vancouver, close to here, but most of them would be on the east coast of the USA as that is where their history is.