Google turned up these:
http://www.militaryheritage.com/flint.htm
http://www.fcsutler.com/fcfirearmaccessories.asp
Both questions answered in the 1st 2 results.
http://www.militaryheritage.com/flint.htm
http://www.fcsutler.com/fcfirearmaccessories.asp
Both questions answered in the 1st 2 results.