| Longknife |
| (.333 member) |
| 30/04/20 09:56 AM |
Re: Bore rifle?
|
Here are a couple of charts I have for pressure data;
https://content.osgnetworks.tv/shootingtimes/content/photos/Blackpowder-for-Shotshells-5.jpg
https://content.osgnetworks.tv/shootingtimes/content/photos/Blackpowder-for-Shotshells-4.jpg