For the buttstock of my 1520's Schloss Kronburg wall piece, indented for the shoulder, please go to
http://www.vikingsword.com/vb/showthread.php?t=7419
I also attach details of the slightly damaged tips of the limewood buttstocks of my 1539 and ca. 1540 matchlock harquebuses, as well as of the specific damage of the tip of my Kronburg wall piece.
Michael