First, many thanks to all members of this board for your posts, advices and photos. They were very helpful for me. Here are some photos of my southern style (I hope) rifle.
And some technical information:
barrel - 40.5"; .45; 7/8 (straight); 1/66
lock - Durs Egg
wood- American Walnut; LOP- 13 3/4"; Drop at heel - 3 5/8"; finish: linseed oil.