I've been lurking since last year soaking up information. Finally decided to post pics of my first two powder horns. The first one is an old cow horn that had been sitting around the shop getting chewed on by bugs. I needed to make a vent pick and a pan brush so I cut the tip off of the horn for one of them. After the tip was off I decided to try scraping the horn down to see how hard that was. the next thing I knew, I had a powder horn with an oversize hole in the tip. A brass tip from TOTW solved that problem. The butt plug is cocobolo, not exactly HC but it was handy.
Since the first horn didn't look too bad, I started thinking about a second one. A friend had a small bison horn (about 10" on the outside curve) gathering dust so he let me have it. This one came out a little better and went a little easier. I had a chunk of mulberry and decided the yellow would go good with the black horn. I cold forged the staple in the butt plug from a cable staple.
Thanks to all for all the information you share. Maybe one day I'll get the guts to post pics of my first flintlock. It isn't pretty and the architecture is all wrong, but thanks to some lock tuning by Mark Elliot, it shoots. Thanks again for all the help you all provided even if you didn't know it.