A good crimp will help but I see no need for anything other than a standard LR primer.


A friend uses 12grs of Unique and 405 cast in his 45/70 pistols.


Here is some more low velocity data, not sure how much speed you want: http://www.gmdr.com/lever/lowveldata.htm


As long as what you are shooting is accurate I wouldn't worry.


When I die I hope I don't start voting democrat.